Generac Portable Generator 04164 3 User Manual

Owner's Manual and  
Installation Instructions  
Air-cooled Recreational Vehicle Generators  
• Model: 05754-0  
PRIMEPACT 50  
• Model: 04164-3  
PRIMEPACT 50LP  
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Table of Contents  
Recreational Vehicle Generator  
Part I – Owner’s Manual  
Part II – Installation Instructions  
Safety Rules .............................................................18  
Notice to Installer...............................................................................18  
Section 1 – General Information .............................20  
Introduction .................................. Inside Front Cover  
Read This Manual Thoroughly.......................................................IFC  
Contents.......................................................................................IFC  
Operation and Maintenance...........................................................IFC  
How to Obtain Service ..................................................................IFC  
Authorized Service Dealer Locator Number....................................IFC  
Safety Rules ...............................................................2  
Section 1 – General Information ...............................4  
1.1  
1.2  
1.3  
1.4  
1.5  
1.6  
Purpose and Scope of the Manual..........................................20  
Safety....................................................................................20  
Standards Booklets................................................................20  
Equipment Description ...........................................................20  
Generator Engine Operating Speed .........................................20  
Generator AC Connection System ..........................................20  
1.1  
1.2  
1.3  
1.4  
1.5  
1.6  
1.7  
1.8  
Generator Identification ............................................................4  
Generator Applicability .............................................................5  
Safety......................................................................................5  
Generator AC Connection System ............................................5  
Specifications ..........................................................................5  
Evaporative Emissions Information...........................................7  
Exhaust Emissions Information (Gasoline)................................7  
Exhaust Emissions Information (Propane) ................................7  
Section 2 – Installation ............................................22  
2.1  
2.2  
2.3  
2.4  
2.5  
2.6  
2.7  
2.8  
2.9  
Location and Support.............................................................22  
Generator Compartments.......................................................23  
Cooling and Ventilating Air......................................................25  
Gasoline Fuel System.............................................................27  
LP Gas Fuel System...............................................................28  
Exhaust System .....................................................................30  
Electrical Connections............................................................31  
Battery Installation .................................................................32  
Optional Accessories .............................................................34  
Section 2 – Operation ................................................8  
2.1  
2.2  
2.3  
2.4  
2.5  
2.6  
2.7  
2.8  
2.9  
Generator Control Panel ...........................................................8  
Optional Remote Start/Stop Panel.............................................8  
Automatic Choke (Gasoline Only).............................................8  
Before Starting the Engine........................................................9  
Starting the Generator..............................................................9  
Stopping the Generator ..........................................................10  
Applying Loads to Generator..................................................10  
Summer/Winter Heat Riser System ........................................10  
Protection Systems................................................................11  
Section 3 – Post-installation Start-up  
Adjustments..........................................34  
3.1  
3.2  
3.3  
3.4  
3.5  
Post Installation Tests.............................................................34  
Before Initial Start-up .............................................................34  
Initial Start .............................................................................34  
Testing Under Load ................................................................35  
Installation Checklist ..............................................................36  
Section 4 – Troubleshooting....................................37  
Troubleshooting Guide........................................................................37  
Section 5 – Electrical Data.......................................38  
Section 6 – Exploded Views and Parts Lists ..........40  
Section 7 – Notes.....................................................54  
Section 8 – Warranty................................................56  
2.10 Additional Information ............................................................12  
Section 3 – Maintenance..........................................12  
3.1  
3.2  
3.3  
3.4  
3.5  
3.6  
3.7  
3.8  
3.9  
Checking the Engine Oil Level.................................................12  
Changing the Engine Oil and/or Oil Filter.................................12  
Maintaining the Engine Air Cleaner .........................................13  
Clean Air Intake......................................................................13  
Checking the Engine Spark Plug.............................................14  
Fuel Filter (Gasoline Only).......................................................14  
Spark Arrestor Muffler............................................................14  
Cleaning the Generator...........................................................14  
Battery Maintenance ..............................................................15  
3.10 Major Service Manual ............................................................15  
3.11 Drive Belt...............................................................................15  
3.12 Exercising the Generator ........................................................15  
3.13 Out of Service Procedure .......................................................16  
1
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Safety Rules  
Recreational Vehicle Generator  
SAVE THESE INSTRUCTIONS – The manufacturer suggests that these rules for safe operation be copied and posted in  
potential hazard areas of the recreational vehicle. Safety should be stressed to all operators and potential operators of  
this equipment.  
Parts of the generator are rotating and/or hot  
during operation. Exercise care near running  
generators.  
WARNING:  
The engine exhaust from this product contains  
chemicals known to the state of California to cause  
cancer, birth defects or other reproductive harm.  
Generator exhaust gases contain DEADLY  
  
carbon monoxide gas. This dangerous gas, if  
breathed in sufficient concentrations, can cause  
unconsciousness or even death.  
WARNING:  
This product contains or emits chemicals  
known to the state of California to cause  
GENERAL HAZARDS  
• For safety reasons, the manufacturer recommends that the  
installation, initial start-up and maintenance of this equipment  
is carried out by an Authorized Service Dealer.  
cancer, birth defects or other reproductive harm.  
• Keep hands, feet, clothing, etc., away from drive belts, fans,  
and other moving or hot parts. Never remove any drive belt or  
fan guard while the unit is operating.  
• When working on this equipment, remain alert at all times.  
Never work on the equipment when physically or mentally  
fatigued.  
Study these SAFETY RULES carefully before installing, operating  
or servicing this equipment. Become familiar with this manual and  
with the unit. The generator can operate safely, efficiently and reli-  
ably only if it is properly installed, operated and maintained. Many  
accidents are caused by failing to follow simple and fundamental  
rules or precautions.  
• Inspect the generator regularly, and contact the nearest  
Authorized Service Dealer immediately for parts needing repair  
or replacement.  
• Inspect the generator regularly, and contact the nearest  
Authorized Service Dealer immediately for parts needing repair  
or replacement.  
• Before performing any maintenance on the generator, discon-  
nect its battery cables to prevent accidental start up. Disconnect  
the cable from the battery post indicated by a NEGATIVE, NEG  
or (–) first. Reconnect that cable last.  
• Never use the generator or any of its parts as a step. Stepping  
on the unit can stress and break parts, and may result in dan-  
gerous operating conditions from leaking exhaust gases, fuel  
leakage, oil leakage, etc.  
The manufacturer cannot possibly know of and advise the rec-  
reational vehicle trade of all conceivable methods, procedures or  
techniques by which to perform an installation. Nor can the manu-  
facturer anticipate every possible hazard that might result from  
each installation method, procedure or technique. The manufactur-  
er has not undertaken any such wide evaluation. Therefore, people  
who use a method, procedure or technique that the manufacturer  
does not specifically recommend must first completely satisfy  
themselves that their safety, the safety of the vehicle's occupants  
and the product's safety is not endangered by the method, proce-  
dure or technique selected.  
Information, illustrations, specifications, etc., contained in these  
Installation Instructions are based on the latest information avail-  
able at the time of publication. Every effort has been expended  
to be sure that such data is both accurate and current. However,  
the manufacturer reserves the right to change, alter or otherwise  
improve this product at any time without prior notice.  
ENGINE EXHAUST HAZARDS  
• Generator engine exhaust contains DEADLY carbon monox-  
ide, an odorless, colorless poisonous gas. Breathing carbon  
monoxide can cause: dizziness, throbbing temples, nausea,  
muscular twitching, headache, vomiting, weakness and sleepi-  
ness, inability to think clearly, fainting, unconsciousness or  
even death. If you experience any carbon monoxide poisoning  
symptoms, move into fresh air and immediately seek medical  
attention.  
DANGER  
Despite the safe design of this generator,  
operating this equipment imprudently, neglect-  
ing its maintenance or being careless can cause  
possible injury or death. Permit only responsible  
and capable persons to operate or maintain this  
equipment.  
• Never operate the generator set with the vehicle inside any  
Potentially lethal voltages are generated by  
these machines. Ensure all steps are taken to  
garage or other enclosed area.  
render the machine safe before attempting to  
work on the generator.  
2
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Safety Rules  
Recreational Vehicle Generator  
• Adequate, unobstructed flow of cooling and ventilating air  
is critical for expelling toxic carbon monoxide gas and fuel  
vapors from the generator compartment and for proper genera-  
tor operation. Without sufficient cooling airflow, deadly carbon  
monoxide gas can accumulate and the engine/generator may  
quickly overheat, causing serious damage to the generator. Do  
not operate the genset in any confined space.  
• Never wear jewelry when working on this equipment. Jewelry  
can conduct electricity resulting in electric shock, or may get  
caught in moving components causing injury.  
FIRE HAZARDS  
• The exhaust system must be installed in accordance with the  
genset installation manual. Do not alter the installation or permit  
even partial blockage of ventilation systems, as this can seri-  
ously affect the safe and proper operation of the generator.  
• Do not operate the generator if the exhaust system is leaking or  
has been damaged or if you have experienced carbon monoxide  
poisoning symptoms during use. Shut down the generator and  
do not operate it until it has been inspected and/or repaired.  
• Never sleep in the vehicle while the genset is running unless the  
vehicle has a working carbon monoxide detector.  
• For fire safety, the generator must be installed and maintained  
properly. Installation always must comply with applicable  
codes, standards, laws and regulations. Adhere strictly to local,  
state and national electrical and building codes. Comply with  
regulations the Occupational Safety and Health Administration  
(OSHA) has established. Also, ensure that the generator is  
installed in accordance with the manufacturer’s instructions  
and recommendations. Following proper installation, do noth-  
ing that might alter a safe installation and render the unit in  
noncompliance with the aforementioned codes, standards,  
laws and regulations.  
• Keep a fire extinguisher in the vehicle at all times. Extinguishers  
rated ABC” by the National Fire Protection Association are  
appropriate for use on the recreational vehicle generator electrical  
system. Keep the extinguisher properly charged and be familiar  
with its use. If there are any questions pertaining to fire extin-  
guishers, consult the local fire department.  
ELECTRICAL HAZARDS  
• The generator covered by this manual produces dangerous  
electrical voltages and can cause fatal electrical shock. Avoid  
contact with bare wires, terminals, connections, etc., while the  
unit is running. Ensure all appropriate covers, guards and bar-  
riers are in place before operating the generator. If work must  
be done around an operating unit, stand on an insulated, dry  
surface to reduce shock hazard.  
• Do not handle any kind of electrical device while stand-  
ing in water, while barefoot, or while hands or feet are wet.  
DANGEROUS ELECTRICAL SHOCK MAY RESULT.  
• During installation onto the vehicle, properly ground (bond) the  
generator either by solid mounting to the vehicle frame or chas-  
sis, or by means of an approved bonding conductor. DO NOT  
connect the bonding conductor to any generator part that might  
be removed or disassembled during routine maintenance. If  
the grounding conductor must be replaced, use only a flexible  
conductor that is of No. 8 American Wire Gauge (AWG) copper  
wire minimum.  
• If the vehicle electrical circuits can be powered by any other  
source of electricity (such as a “dockside” power receptacle),  
there must be no possibility of connecting the different power  
sources to the vehicle circuits at the same time. The dockside  
(utility) power source must be positively isolated from the  
vehicle circuits whenever the generator is operating. Failure to  
isolate the vehicle circuits from the dockside power supply when  
the generator is running may result in damage to the generator  
or serious injury or death to dockside (utility) power workers due  
to backfeed of electrical energy.  
EXPLOSION HAZARDS  
• Do not smoke around the generator. Wipe up any fuel or oil spills  
immediately. Ensure that no combustible materials are left in the  
generator compartment, or on or near the generator, as FIRE or  
EXPLOSION may result. Keep the area surrounding the generator  
clean and free from debris.  
• GasolineisextremelyFLAMMABLEanditsvaporsareEXPLOSIVE.  
Do not permit smoking, open flame, sparks or any source of  
heat in the vicinity while handling gasoline. Comply with all laws  
governing the storage and handling of gasoline.  
• Fuel lines must be properly installed and fastened, and free of  
leaks. There must be no possibility of gasoline vapors entering  
the vehicle interior.  
• It is required that an approved, flexible, nonconductive fuel line  
between the generator fuel connection point and rigid fuel lines  
be installed.  
• If the generator is equipped with a liquid propane (LP) gas fuel  
system, install the unit so it complies with all codes, standards  
and regulations pertaining to such systems. LP gas is highly  
explosive. The gas tends to settle in low areas where even the  
slightest spark can ignite it and cause an explosion. Do not  
allow gas vapors to enter the vehicle.  
• In case of accident caused by electric shock, immediately shut  
down the source of electrical power. If this is not possible,  
attempt to free the victim from the live conductor. AVOID DIRECT  
CONTACT WITH THE VICTIM. Use a nonconducting implement,  
such as a rope or board, to free the victim from the live conduc-  
tor. If the victim is unconscious, apply first aid and get immediate  
medical help.  
3
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Section 1 – General Information  
Recreational Vehicle Generator  
1.1 GENERATOR IDENTIFICATION  
Please record the following information from the generator DATA DECAL or information decal.  
1. Model Number _____________________  
3. kW Rating _________________________  
2. Serial Number__________________  
4. Rated Voltage __________________  
Model: 05754-0  
1. Generator Air Intake  
2. Engine Start/Stop Switch  
3. Fuse  
4. Optional Remote Panel Receptacle  
(behind control panel)  
5. Generator AC Output Leads (behind  
control panel)  
6. Fuel Primer Switch  
7. Circuit Breaker  
18  
8. Circuit Breaker  
9. Starter Contactor  
10. Fuel Inlet  
11. Fuel Pump  
19  
12. Fuel Filter  
13. Oil Filter  
14. Oil Drain Cap  
15. Oil Dipstick  
16. Data Decal  
17. Oil Fill  
18. Spark Plug  
19. External Vacuum Port  
Model: 04164-3  
1. Generator Air Intake  
2. Engine Start/Stop Switch  
3. Fuse  
4. Optional Remote Panel Receptacle  
(behind  
control panel)  
5. Generator AC Output Leads (behind  
control panel)  
6. Fuel Primer Switch  
7. Circuit Breaker  
8. Circuit Breaker  
9. Starter Contactor  
10. Fuel Solenoid  
11. Demand Regulator  
12. Oil Filter  
17  
13. Oil Drain Cap  
14. Oil Dipstick  
15. Data Decal  
16. Oil Fill  
17. Spark Plug  
4
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Section 1 – General Information  
Recreational Vehicle Generator  
1.2 GENERATOR APPLICABILITY  
These generators have been designed and manufactured for sup-  
plying electrical power for recreational vehicles. Do not modify the  
generator or use it for any application other than for what it was  
designed. If there are any questions pertaining to its application,  
write or call the factory. Do not use the unit until advised by a  
competent authority.  
1.4 GENERATOR AC  
CONNECTION SYSTEM  
This generator set is equipped with dual stator AC power windings.  
These two-stator windings supply electrical power to customer  
electrical loads by means of a dual two-wire connection system.  
Note, however, that the neutral is grounded.  
The generator may have been installed so that it powers 120-volt  
AC loads (Figure 1.1). It can be wired to connect both 120- and/or  
240-volt AC electrical loads. This procedure should be done by an  
Authorized Service Dealer or other qualified installer.  
DANGER  
For fire safety, the generator must have been  
properly installed in compliance with ANSI  
119.2-1975/NFPA 501C-1974, “Standard for  
Recreational Vehicles, Part III – Installation of  
Electrical Systems.” The generator also must  
have been installed in strict compliance with the  
manufacturer’s detailed installation instructions.  
After installation, do nothing that might render  
the unit in noncompliance with such codes, stan-  
dards and instructions.  
Figure 1.1 – Connections for 120 Volts Only  
Use this generator to supply electrical power for operating  
120/240-volt, single-phase, 60 Hertz, AC electrical loads. These  
loads can require up to 4,800 watts (4.8 kW) of power, but cannot  
exceed 40 AC amperes of current at 120 volts, or 20 AC amperes  
at 240 volts for model 05754-0. For model 04164-3, the loads can  
require up to 4,500 watts (4.5 kW) of power, but cannot exceed  
37.5 amperes of current at 120 volts, or 18.8 amperes at 240  
volts.  
1.5 SPECIFICATIONS  
1.5.1 FUEL REQUIREMENTS  
This generator is equipped with a gasoline fuel system. Depending  
on the installation, the generator may have either a separate fuel  
tank, or it may “share” the vehicle engine’s fuel tank.  
Do not overload the generator. Some installations  
may require that electrical loads be alternated  
to avoid overloading. Applying excessively high  
electrical loads may damage the generator and  
may shorten its life. Add up the rated watts of  
all electrical lighting, appliance, tool and motor  
loads the generator will power at one time. This  
total should not be greater than the wattage  
capacity of the generator. If an electrical device  
nameplate gives only volts and amps, multiply  
volts times amps to obtain watts (volts x amps =  
watts). Some electric motors require more watts  
of power (or amps of current) for starting than  
for continuous operation.  
NOTE:  
Some installations using a “shared” fuel tank may have a gen-  
erator fuel pickup tube that is shorter than the vehicle engine’s  
pickup tube. Such an arrangement causes the generator engine  
to “run out of gas” while adequate fuel for the vehicle remains  
in the tank.  
To reduce lead and carbon deposits use high quality UNLEADED  
gasoline with the generator. Leaded REGULAR grade gasoline is an  
acceptable substitute.  
NOTE:  
1.3 SAFETY  
Before attempting to use the generator set, carefully read the  
“Safety Rules” section of this manual. Comply strictly with these  
rules to prevent accidents and damage to equipment and/or  
property. We suggest copying and posting the “Safety Rules” in  
potential hazard areas of the vehicle. Stress safety to all operators  
and potential operators of this equipment.  
Using unleaded gasoline contributes to longer engine valve life  
by reducing lead and carbon deposits.  
5
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Section 1 – General Information  
Recreational Vehicle Generator  
1.5.5 ENGINE  
Type of Engine ............................................................GN-410, Single-cylinder  
Cooling Method ................................................................................Air-cooled  
Rated Horsepower................................................................15 @ 4,200 rpm  
Displacement......................................................................................... 407cc  
Cylinder Block....................................................Aluminum w/Cast Iron Sleeve  
Type of Governor ...................................................... Mechanical, Fixed Speed  
Air Cleaner ................................................. Paper Element w/Foam Precleaner  
Starter.................................................................................12-volt DC Electric  
Ignition System..............................................Solid-state w/Flywheel Magneto  
Recommended Spark Plug  
The manufacturer does not recommend using  
any gasoline containing alcohol (such as “gaso-  
hol”). If using any gasoline containing alcohol, it  
must not contain more than 10 percent ethanol,  
and it must be removed from the generator dur-  
ing storage. Do NOT use any gasoline contain-  
ing methanol. If using gasoline with alcohol,  
inspect more frequently for fuel leaks and other  
abnormalities.  
Champion......................................................................................... RC14YC  
AC..........................................................................................................R45S  
Fram Autolite.............................................................................................. 65  
Spark Plug Gap................................................................0.030 inch (76 mm)  
Recommended Minimum Battery....................................... 400 Cold-cranking  
Amperes  
1.5.2 OPTIONAL PROPANE FUEL SYSTEM  
This generator is equipped with a liquid propane (LP) gas fuel sys-  
tem. LP gas is usually supplied as a liquid in pressure tanks.  
The generator requires a vapor withdrawal type fuel system. This  
type of gaseous fuel system uses the vapors forming above the liq-  
uid fuel in the storage tank. Air temperature around the storage tank  
must be high enough to sustain adequate fuel vaporization. In colder  
climates, it may be necessary to use an independent heat source to  
be sure the fuel sufficiently vaporizes in the storage tank.  
ClassII Emission Compliant  
1.5.6 GENERATOR  
Rated Maximum Continuous  
AC Output (Gasoline)...................................................4,800 Watts (4.8 kW)  
AC Output (LP Fuel).....................................................4,500 Watts (4.5 kW)  
Rated Voltage.............................................................................120 Volts AC*  
Rated Maximum Continuous  
LP gas may consist of propane, butane or a mixture of the two  
gases. Propane vaporizes at temperatures as low as -20° F (-29°  
C), but butane returns to its liquid state when the temperature  
drops below about 32° F (0° C). For that reason, a higher ratio  
of propane is desired in the gas mixture when temperatures drop  
below freezing.  
AC Current (Gasoline).............................................................40 Amperes**  
AC Current (LP Fuel)............................................................37.5 Amperes**  
Phase......................................................................................................Single  
Rotor RPM.............................................................................................. 3,600  
Number of Rotor Poles...................................................................................2  
Engine RPM............................................................................................ 2,571  
Rated AC Frequency............................................................................... 60 Hz  
Battery Charge Voltage ..................................................................14 Volts DC  
Battery Charge Current .........................................................2 Amperes (max)  
1.5.3 FUEL CONSUMPTION  
Model  
05754-0  
No Load  
0.32  
1/2 Load  
0.46  
Full Load  
0.76  
04164-3  
0.47/17.05  
0.72/3.06  
1.25/45.35  
Gasoline is in gal/h.  
LP is in gal/h and cf/h.  
Weight  
Gasoline...................................................................................... 198 Pounds  
1.5.4 ENGINE OIL REQUIREMENTS  
Use only high quality detergent oil rated with American Petroleum  
Institute (API) Service Classification SF, SG or SH. The recom-  
mended oil weights include the following:  
LP Fuel........................................................................................ 200 Pounds  
Length.......................................................................... 25.5 inches (648 mm)  
Width ......................................................................... 18.88 inches (479 mm)  
Height ........................................................................ 16.75 inches (425 mm)  
• During summer months: SAE 30. An acceptable substitute is  
SAE 10W-30.  
* All units are reconnectable to 120- and/or 240-volt, dual voltage output. Units  
are no longer listed per RVIA/ANSI when reconnected for dual voltage output.  
• During winter months: SAE 5W-30. DO NOT USE SAE  
** If reconnected for dual voltage, the ampere rating for 240 volts is 20 AC  
amperes for model 05754-0, and 18.8 AC amperes for model 04164-3.  
10-W40.  
*** Maximum wattage and current are subject to, and limited by, such factors  
as fuel Btu content, ambient temperature, altitude, engine condition, etc..  
Maximum power decreases about 3.5% for each 1,000 feet above sea level;  
and will also decrease about 1% for each 6° C (10° F) above 16° C (60° F)  
ambient temperature.  
Crankcase and oil filter capacity is approximately 1,400 mL or  
1.5 U.S. quarts. Do NOT use special additives. See "Checking the  
Engine Oil Level" and "Changing the Engine Oil and/or Oil Filter"  
sections for oil level check and fill procedures.  
6
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Section 1 – General Information  
Recreational Vehicle Generator  
The Emissions Compliance Period referred to on the Emissions  
Compliance Label indicates the number of operating hours for  
which the engine has been shown to meet Federal and California  
emission requirements. See the table below to determine the com-  
pliance period for this generator. The displacement of the engine is  
listed on the Emissions Compliance Label.  
1.6 EVAPORATIVE EMISSIONS  
INFORMATION  
This generator is subject to evaporative emission standards which  
have been implemented by the California Air Resource Board  
(CARB) and the Environmental Protection Agency (EPA). If this  
generator is offered for sale in the state of California, it must be  
covered by a CARB evaporative Executive Order. If this generator  
is offered for sale to the final consumer in any other state, certified  
low-permeation fuel line must be used to supply fuel to the genera-  
tor as required by EPA.  
Displacement  
Category  
Compliance Period  
500 Hours  
A
B
C
A
B
C
> 66 cc - < 225 cc  
250 Hours  
125 HOurs  
Anyone who installs or configures a fuel system to supply this  
generator with gasoline is required to comply with all applicable  
evaporative emission regulations. If this generator is configured  
such that it shares the primary fuel system of a vehicle in which it  
is installed, reduced certification requirements may apply. See the  
ca.gov/msprog/macs/mac0505/mac0505.pdf for further details. If  
this generator is installed such that it uses a dedicated fuel system,  
detailed evaporative emission requirements apply; contact a repu-  
table fuel system manufacturer to purchase a complete fuel sys-  
tem certified for use with this generator, or consult the California  
Code of Regulations if you wish to obtain certification on your  
own. See the installation instructions in this manual for connecting  
fuel system vapor lines to the engine.  
1000 Hours  
500 Hours  
225 cc  
250 Hours  
1.8 EXHAUST EMISSIONS  
INFORMATION (PROPANE)  
The Environmental Protection Agency (EPA) and the California Air  
Resource Board (CARB) require that this generator comply with  
exhaust emission standards. The generator is certified to meet all  
applicable exhaust emission levels. This generator is certified for  
use as a mobile engine. It is important that you follow the mainte-  
nance specifications listed in this manual to ensure that the engine  
complies with emission standards for the duration of its life. This  
engine is certified to operate on propane fuel (LP). The emission  
control system on the generator consists of the following:  
This generator is not legal for sale in the state of California unless  
all CARB evaporative emission requirements are adhered to, and is  
not legal for sale in any other state unless certified low-permeation  
fuel line is used to supply the generator with gasoline. Contact  
the California Air Resource Board or the Environmental protection  
agency for further information. CARB regulations can be found in  
13 CCR §§2750 – 2773; EPA regulations can be found in 40 CFR  
Part 90.  
• Fuel Metering System  
~Mixer assembly  
~Fuel regulator and lines  
• Air Induction System  
~Intake pipe / manifold  
~Air cleaner  
1.7 EXHAUST EMISSIONS  
INFORMATION (GASOLINE)  
• Ignition System  
~Spark plug  
~Ignition module  
• Catalytic Converter (if equipped)  
The Emissions Compliance Period referred to on the Emissions  
Compliance Label indicates the number of operating hours for  
which the engine has been shown to meet Federal and California  
emission requirements. See the table below to determine the com-  
pliance period for this generator. The displacement of the engine is  
listed on the Emissions Compliance Label.  
The Environmental Protection Agency (EPA) and the California Air  
Resource Board (CARB) require that this generator comply with  
exhaust emission standards. The generator is certified to meet all  
applicable exhaust emission levels. This generator is certified for  
use as a mobile engine. It is important that you follow the mainte-  
nance specifications listed in this manual to ensure that the engine  
complies with emission standards for the duration of its life. This  
engine is certified to operate on gasoline. The emission control  
system on the generator consists of the following:  
• Fuel Metering System  
~Carburetor assembly  
~Fuel pump and lines  
• Air Induction System  
~Intake pipe / manifold  
~Air cleaner  
• Ignition System  
~Spark plug  
~Ignition module  
• Catalytic Converter (if equipped)  
Displacement  
Category  
Compliance Period  
500 Hours  
A
B
C
A
B
C
> 66 cc - < 225 cc  
250 Hours  
125 HOurs  
1000 Hours  
500 Hours  
225 cc  
250 Hours  
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Section 2 – Operation  
Recreational Vehicle Generator  
NOTE:  
2.1 GENERATOR CONTROL PANEL  
The following features are mounted on the generator control panel  
(Figure 2.1):  
If the generator has been reconnected for dual voltage AC out-  
put (120/240 volts), install line breakers having an amperage  
rating that is different than that stated in the "Generator AC  
Connection System" section. The replacement line breakers  
consist of two separate breakers (one 20 amp, and one 30  
amp) with a connecting piece between the breaker handles (so  
that both breakers will operate at the same time). If the unit is  
reconnected for dual voltage, it is no longer RVIA listed.  
Figure 2.1 – Generator Control Panel  
2.2 OPTIONAL REMOTE  
START/STOP PANEL  
A remote mounted Start/Stop Panel (Figure 2.2) is available that  
allows starting and stopping the generator engine conveniently  
from inside the vehicle. The remote panel includes a Start/Stop  
switch, hourmeter, generator run lamp and a wire harness. The  
Prime switch is not connected, it must be used with jumper wire  
0G7666.  
Figure 2.2 — Optional Remote Panel  
(Models 0H3068)  
2.1.1 FUEL PRIMER  
Before starting a cold engine (if it has not been started in more  
than two weeks), this switch must be pressed for approximately  
10 to 15 seconds to bring fuel from the tank to the carburetor.  
This rocker type switch springs back into its original position  
when released. It is not necessary to press the primer switch for  
LP units.  
2.1.2 START/STOP SWITCH  
To crank and start the engine, hold this switch in the START posi-  
tion. Release the switch when the engine starts. To stop an operat-  
ing engine, press and hold the switch in the STOP position until the  
engine shuts off. The switch center position is the RUN position.  
2.3 AUTOMATIC CHOKE (GASOLINE  
ONLY)  
The engine is equipped with an automatic choke that consists of  
two main components: a choke solenoid and prechoke.  
2.1.3 FUSE  
The fuse protects the engine’s DC control circuit against electrical  
overload. If the fuse element has melted open due to overloading,  
the engine cannot be cranked. If the fuse must be replaxed, use  
only an identical replacement.  
2.3.1 CHOKE SOLENOID  
During engine cranking (Start/Stop switch at START), a solid-state  
choke module signals the choke solenoid to activate and cycle  
(choke on/choke off) until the engine starts. The choke solenoid  
thus opens and closes the carburetor choke valve only when the  
engine is cranking. When the engine starts, the choke stops  
cycling.  
2.1.4 MAIN BREAKER  
The main breaker protects the generator’s AC output circuit against  
overload and provides a method of turning OFF the generator’s  
120/240-volt AC output to the vehicle circuits. The generator has  
one 20-amp breaker and one 30-amp breaker.  
2.3.2 PRECHOKE  
The choke system also has a temperature-sensitive metal strip that  
adjusts choke valve angle according to ambient temperatures (i.e.,  
in cold ambient temperatures, choke valve closes more). Once the  
engine starts, an element heats the temperature-sensitive strip to  
a normal operating condition, opening the choke valve. This may  
take about three minutes in cooler weather.  
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Section 2 – Operation  
Recreational Vehicle Generator  
2.4 BEFORE STARTING THE ENGINE  
DANGER  
NOTE:  
Generator engine exhaust contains DEADLY  
carbon Monoxide, an odorless, colorless poi-  
sonous gas. Breathing carbon monoxide can  
cause: dizziness, throbbing temples, nausea,  
muscular twitching, headache, vomiting, weak-  
ness and sleepiness, inability to think clearly,  
fainting, unconsciousness or even death. If you  
experience any carbon monoxide poisoning  
symptoms, move into fresh air and immediately  
seek medical attention.  
Instructions and information in this manual assume the genera-  
tor has been properly installed, connected, serviced, tested and  
adjusted by a qualified installation technician or installation  
contractor.  
2.4.1 INSTALLATION  
Generator installation must have been properly completed so it  
complies with all applicable codes, standards and regulations and  
with the manufacturer's recommendations.  
Never operate the generator set with the vehicle  
inside any garage or other enclosed area.  
NOTE  
Be sure the installation complies with all standards and codes  
listed in the "Standards Booklets" section of this manual.  
Adequate, unobstructed flow of cooling and  
ventilating air is critical for expelling toxic car-  
bon monoxide gas and fuel vapors from the  
generator compartment and for proper genera-  
tor operation. Without sufficient cooling airflow,  
deadly carbon monoxide gas can accumulate  
and the engine/generator may quickly overheat,  
causing serious damage to the generator. Do  
not operate the genset in any confined space.  
2.4.2 ENGINE LUBRICATION  
Have the engine crankcase properly serviced with the recom-  
mended oil before starting. Refer to the "Engine Oil Requirements"  
section and "Checking the Engine Oil Level" and "Changine the  
Engine Oil and/or Oil Filter" sections for oil servicing procedures  
and recommendations.  
The exhaust system must be installed in accor-  
dance with the genset installation manual. Do  
not alter the installation or permit even partial  
blockage of ventilation systems, as this can  
seriously affect the safe and proper operation of  
the generator.  
Any attempt to crank or start the engine before  
it hase been properly serviced with the recom-  
mended oil may result in an engine failure.  
Do not operate the generator if the exhaust sys-  
tem is leaking or has been damaged or if you  
have experienced carbon monoxide poisoning  
symptoms during use. Shut down the generator  
and do not operate it until it has been inspected  
and/or repaired.  
2.4.3 FUEL SUPPLY  
The engine must have an adequate supply of proper fuel to oper-  
ate. Before starting it, check that sufficient fuel is available.  
NOTE:  
Never sleep in the vehicle while the genset is  
running unless the vehicle has a working carbon  
monoxide detector.  
Depending on the installation, the generator may have either a  
separate fuel tank, or it may “share” the vehicle engine’s fuel  
tank.  
2.5 STARTING THE GENERATOR  
2.4.4 COOLING AND VENTILATING AIR  
NOTE:  
Air inlet and outlet openings in the generator compartment must  
be open and unobstructed for continued proper operation. Without  
sufficient cooling and ventilating airflow, the engine/generator  
quickly overheats, which causes it to shut down and may damage  
the generator.  
Read the vehicle manufacturer’s instructions. The owner/  
operator should become familiar with the vehicle in which this  
generator is installed. Differences exist between vehicles. For  
example, some vehicles may use a transfer switch to isolate  
dockside power from the generator, while other vehicles may  
use an isolating receptacle. Some vehicles may be equipped  
with a DC converter, which allows the generator to power cer-  
tain DC lighting and other DC loads.  
2.4.5 ENGINE EXHAUST GAS  
Before starting the generator engine, be sure there is no way for  
Before starting the generator engine, inspect for exhaust leaks and  
ensure there is no way for exhaust gases to enter the vehicle inte-  
rior and endanger people or animals. Close windows, doors and  
other openings in the vehicle that, if open, might permit exhaust  
gases to enter the vehicle.  
To start the generator from either the generator control panel or  
from the optional remote panel, proceed as follows:  
1. Turn OFF electrical loads using the means provided in the  
vehicle (such as a main line circuit breaker or transfer  
switch).  
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Section 2 – Operation  
Recreational Vehicle Generator  
NOTE:  
2.8 SUMMER/WINTER HEAT  
If starting from the generator control panel, turn OFF loads  
by setting the generator’s main circuit breaker to the OFF (or  
OPEN) position. If starting from a remote panel, turn OFF loads  
using the means provided in the vehicle (such as a main circuit  
breaker). Electrical load circuits will be turned ON after the  
generator has started, stabilized and warmed up.  
RISER SYSTEM  
Under certain weather conditions, it is possible for ice to form  
in the venturi area of the carburetor. This condition can be very  
dangerous because it can prevent the governor system from func-  
tioning properly, which results in a “runaway” engine.  
The most common weather conditions leading to this problem are  
temperatures in the range of 25° F to 35° F (-4° C to 1.7° C), along  
with high humidity. This ice formation also can be attributed to the  
load being applied during these weather conditions. Generators  
running with no-load or light loads applied usually have the most  
problems.  
2. If the engine has not been started in more than two weeks,  
press the Fuel Pump Primer switch and hold it for about 10 to  
15 seconds to prime the fuel system. However, if the engine  
is warm, skip Step 2.  
3. Hold the engine Start/Stop switch in the START position to  
crank the engine. Release the switch when the engine starts.  
The Summer/Winter Lever (Figure 2.3) should be in the WINTER  
position for ambient temperatures below 40° F (4.4° C) and in the  
SUMMER position for ambient temperatures above 40° F (4.4°  
C).  
If the engine does not start after it has been  
cranking for 15 seconds, release the Start/Stop  
switch and try again. Holding the switch for  
longer than 15 seconds can damage the starter  
motor.  
Figure 2.3 – Heat Riser System  
4. Let the engine run at no-load for a few minutes to stabilize and  
warm up.  
5. Turn ON electrical loads using the means provided (such as a  
main circuit breaker or transfer switch).  
2.6 STOPPING THE GENERATOR  
1. Turn OFF all electrical loads using the means provided (such  
as a main circuit breaker or transfer switch).  
2. Let generator run at no-load for a few minutes, to stabilize inter-  
nal engine generator temperatures.  
3. Place the Start/Stop switch in its STOP position.  
2.7 APPLYING LOADS TO  
GENERATOR  
When applying electrical loads to the generator, observe these  
guidelines:  
• Before applying electrical loads, let the generator stabilize and  
warm up for a minute or two.  
• DO NOT overload the generator.  
When the heat riser is in the SUMMER (down) position (Figure  
2.2), air is drawn into the air cleaner from the upper intake tube.  
2.7.1 LETTING THE ENGINE STABILIZE  
When the heat riser is in the WINTER (up) position, air is drawn  
from the lower intake tube, which is positioned to draw the heated  
air near the exhaust manifold.  
The generator supplies correct rated voltage only at the proper  
governed speed. Some electrical appliances may be extremely  
sensitive to voltage. Incorrect voltages can damage such appli-  
ances.  
To prevent carburetor icing, the owner/operator should physically  
position the heat riser to the proper position dependent on the  
temperature.  
If electrical loads are applied at reduced operating speeds, such  
loads imposed on the engine when sufficient power is not available  
may shorten engine life. Never turn ON electrical loads until after the  
generator engine has started and stabilized at no-load.  
10  
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Section 3 – Maintenance  
Recreational Vehicle Generator  
2.8.1 DO NOT OVERLOAD THE GENERATOR  
2.9.3 FIELD BOOST  
Read the rated wattage/amperage capacity of the generator on the  
generator data decal (see "Generator Identification").  
The Controller Circuit Board houses a field boost diode and resistor  
that are not part of the automatic choke circuit. These two compo-  
nents are part of a “field boost” circuit (Figure 2.5). During engine  
cranking only, a positive DC (battery) voltage is delivered through  
the diode, resistor, brushes and slip rings, and the generator rotor.  
Application of this voltage to the rotor “flashes the field” whenever  
it is started. Flashing of the field each time the generator starts  
makes sure that a sufficiently strong magnetic field is available to  
produce “pickup” voltage in the stator windings.  
Applying electrical loads in excess of the unit’s rated capacity will  
cause the engine/generator to automatically shut down.  
To avoid overloading, add up the wattage of all connected electrical  
lighting, appliance, tool and motor loads. This total should not be  
greater than the generator’s rated wattage capacity.  
• Most lighting, appliance, tool and motor loads indicate their  
required watts on their nameplate or data plate. For light bulbs,  
simply note the wattage rating of the bulb.  
Figure 2.5 – Field Boost Circuit  
• If a load does not show its rated wattage, multiply that load’s  
rated VOLTS times AMPS to obtain WATTS.  
• Induction type motors (such as those that run the vehicle’s  
furnace fan, refrigerator, air conditioner, etc.) need about 2-1/2  
time more watts of power for starting than for running (for a  
few seconds during motor starting). Be sure to allow for this  
when connecting electrical loads to the generator. First, figure  
the watts needed to start electric motors in the system. To that  
figure, add the running wattages of other items that will be oper-  
ated by the generator.  
• Do not apply heavy electrical loads for the first two or three  
hours of operation.  
2.9 PROTECTION SYSTEMS  
2.9.  
LOW OIL PRESSURE SWITCH  
2.9.4 OVERVOLTAGE PROTECTION  
This switch (Figure 2.4) has normally closed (N.C.) contacts that  
are held open by engine oil pressure during cranking and operating.  
Should oil pressure drop below a preset level, switch contacts close,  
and the engine automatically shuts down. The unit should not be  
restarted until oil is added.  
A solid-state voltage regulator (Figure 2.6) controls the generator’s  
AC output voltage. This regulator supplies an excitation current to  
the rotor. By regulating the rotor’s excitation current, the strength  
of its magnetic field is regulated and, in turn, the voltage delivered  
to connected electrical loads is controlled. When the AC frequency  
is 60 Hertz, voltage is regulated at 120 volts (voltage-to-frequency  
ratio is 2-to-1).  
2.9.2 HIGH TEMPERATURE SWITCH  
This switch (Figure 2.4), which has normally open (N.O.) contacts,  
is mounted near the oil filter. The contacts close if the temperature  
should exceed approximately 293º F (145º C), initiating an engine  
shutdown.  
Figure 2.6 – Solid State Voltage Regulator  
Figure 2.4 – Low Oil Pressure and  
High Temperature Switches  
The voltage regulator also incorporates a “voltage surge protection  
circuit.” This circuit prevents troublesome surges in the generator  
AC output voltage. Voltage surge is a common cause of damage  
to electronic equipment.  
11  
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Section 3 – Maintenance  
Recreational Vehicle Generator  
2.10 ADDITIONAL INFORMATION  
3.1 CHECKING THE ENGINE OIL  
LEVEL  
2.10.1 ATTENTION REQUIRED AFTER SUBMERSION  
For oil capacities and requirements, see section “Engine Oil  
Requirements”. Check the engine crankcase oil level at least every  
eight hours of operation, or before use. To check the engine oil  
level, proceed as follows (see Figure 3.1):  
If the recreational vehicle generator has been submerged in water,  
it MUST NOT be started and operated. Following any submersion  
in water, have an Authorized Service Dealer thoroughly clean and  
dry the generator.  
1. Be sure the generator is as level as possible.  
2. Remove the dipstick and wipe it dry with a clean, lint-free  
cloth.  
2.10.2 OPERATION IN HIGH GRASS OR BRUSH  
Never operate the generator while the vehicle is parked over high  
grass, weeds, brush, leaves or any other combustible substance.  
Such materials can ignite and burn from the heat of the exhaust  
system. The generator exhaust system becomes extremely hot  
during operation and remains hot for a long time after it has shut  
down.  
3. Install and tighten the dipstick cap; then, remove it again. The  
oil level should be at the dipstick “Full” mark.  
4. If necessary, remove the oil fill cap on the rocker cover and  
slowly add oil until it reaches the dipstick “Full” mark. DO NOT  
FILL ABOVE THE “FULLMARK.  
2.10.3 EFFECTS OF MOISTURE AND DIRT  
Never operate the engine with the oil level below  
the Add” mark on the dipstick. Doing this could  
Keep the generator set as clean and dry as possible. Protect the  
unit against excessive dust, dirt, corrosive vapors, road splash,  
etc. Permitting dirt and moisture to accumulate on generator  
windings will have an adverse effect on the insulation resistance  
of those windings.  
damage the engine.  
5. Install and tighten the oil fill cap and the dipstick before oper-  
ating the engine.  
3.2 CHANGING THE ENGINE OIL  
AND/OR OIL FILTER  
When moisture is allowed to remain in contact with windings,  
some of the moisture will be retained in voids and cracks in the  
insulation. This causes a reduced insulation resistance and will  
eventually cause problems. Dirt will make the problem worse,  
since dirt tends to hold moisture in contact with windings. Salt (as  
from sea air) also will worsen the problem since it tends to absorb  
moisture from the air. Salt and moisture, when combined, form a  
good electrical conductor.  
Hot oil may cause burns. Allow engine to cool  
before draining oil. Avoid prolonged or repeated  
skin exposure with used oil. Thoroughly wash  
exposed areas with soap.  
• Change the engine oil after the first 25 hours of operation.  
Thereafter, change the oil every 100 operating hours. Change  
the oil more frequently if operating consistently under heavy  
load or at high ambient temperatures.  
Figure 3.1 – Oil Maintenance Features  
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Section 3 – Maintenance  
Recreational Vehicle Generator  
• Change the engine oil filter after the first 25 hours of operation,  
and every 100 operating hours thereafter.  
8. Install the cover, foam precleaner and paper filter.  
9. Tighten the two screws to retain the filter in place.  
• To change the oil and/or oil filter, proceed as follows (see Figure  
Figure 3.2 – Engine Air Cleaner  
3.1):  
1. Run the engine until it is thoroughly warmed up (at least five  
minutes) then shut OFF the engine.  
2. Immediately after the engine shuts OFF, pull the oil drain hose  
free of its retaining clip. Remove the cap from the hose and  
drain the oil into a suitable container. Loosening the oil fill cap  
will allow the crankcase to drain faster.  
PAPER  
AIR FILTER  
FOAM  
PRECLEANER  
AIR CLEANER  
COVER  
3. After the oil has drained, replace the cap onto the end of the oil  
drain hose. Retain the hose in the clip.  
4. With the oil drained, remove the old oil filter by turning it  
counterclockwise.  
5. Apply a light coating of clean engine oil to the gasket of the  
new filter.  
SCREWS  
6. Screw the new filter on by hand until its gasket lightly contacts  
the oil filter adapter. Then, tighten the filter an additional 3/4 to  
one turn.  
3.3.2 CLEANING OR REPLACING  
7. Remove the dipstick and wipe it dry with a clean, lint-free  
cloth. This will be used later to check the oil level.  
8. Remove the oil fill cap on the rocker cover and slowly add  
the proper type and amount of recommended oil (see section  
"Engine Oil Requirements"). Periodically use the dipstick to  
check the oil level and continue to fill the crankcase until the  
oil reaches the dipstick “Full” mark. DO NOT FILL ABOVE THE  
“FULLMARK.  
THE PAPER FILTER  
Once each year or every 100 hours of operation (whichever comes  
first), clean or replace the paper filter. The new replacement filter  
must be flame retardant. Service the paper filter more frequently if  
operating the generator in extremely dusty or dirty conditions. Use  
the following procedure (Figure 3.2):  
1. Follow steps 1-3 in the "Cleaning the Foam Precleaner" sec-  
tion; service the foam precleaner if necessary.  
2. Remove the paper filter.  
3. Clean the air filter by tapping it gently on a solid surface. If the  
filter is too dirty, replace it with a new one. Dispose of the old  
filter properly.  
9. Install and tighten the oil fill cap and the dipstick before oper-  
ating the engine.  
10. Start the engine and check for leaks.  
NOTE:  
Check the oil level and fill to the “FULLmark after checking for  
leaks. The filter will retain some oil.  
4. Clean the air cleaner cover then reassemble following steps  
7-9 in the "Cleaning the Foam Precleaner" section.  
3.3 MAINTAINING THE ENGINE  
AIR CLEANER  
3.4 CLEAN AIR INTAKE  
Clean all foreign material from the air intake (Figure 3.3) at least  
once every 100 hours of operation. Clean more often if neces-  
sary.  
3.3.1 CLEANING THE FOAM PRECLEANER  
Clean and re-oil the foam precleaner every three months or every  
25 hours of operation, whichever occurs first. Service the foam  
precleaner more frequently if operating the generator in extremely  
dusty or dirty conditions. Use the following procedure (Figure  
3.2):  
Inspect the area around the generator exhaust muffler periodically  
and remove all grass, leaves, dirt, etc., from this area.  
Figure 3.3 – Cleaning Air Intake  
1. Turn the two screws counterclockwise to loosen.  
2. Remove the cover, foam precleaner and paper filter.  
3. Remove the foam precleaner from the cover.  
4. Wash the foam precleaner in liquid detergent and water.  
5. Wrap the foam precleaner in a clean cloth and gently squeeze  
it dry.  
6. Saturate the foam precleaner in clean engine oil. Gently  
squeeze it in a clean cloth to remove excess oil and to distrib-  
ute oil (DO NOT TWIST).  
7. Install the foam precleaner into the cover, followed by the  
paper filter.  
13  
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Section 3 – Maintenance  
Recreational Vehicle Generator  
3.5 CHECKING THE ENGINE  
3.7 SPARK ARRESTOR MUFFLER  
If the generator is not equipped with a spark arrestor exhaust  
muffler and is to be used on any forest covered, brush covered or  
grass covered unimproved land, a spark arrestor may need to be  
installed. The spark arrestor must be maintained in effective work-  
ing order by the vehicle owner/operator.  
SPARK PLUG  
Clean the spark plug and reset the spark plug gap every 100 hours  
of operation.  
1. Clean the area around the base of the spark plug to keep dirt  
and debris out of the engine. Clean by scraping or washing  
using a wire brush and commercial solvent. Do not blast the  
spark plug to clean.  
For assistance in ordering, installing and maintaining spark arrestor  
exhaust mufflers, contact the nearest Authorized Service Dealer.  
Exhaust mufflers supplied by the manufacturer are spark arrestor  
types. The manufacturer's exhaust mufflers for recreational vehicle  
generators do not have a spark arrestor screen, but are of the more  
efficient “toroid” or “swirl” type. To remove carbon and combus-  
tion deposits from such mufflers, remove the plug from the muffler  
and run the engine for approximately 15 minutes. Shut down the  
engine, let the muffler cool and install the plug.  
2. Remove the spark plug and check the condition. Replace the  
spark plug if worn or if reuse is questionable.  
3. Check the spark plug gap using a wire feeler gauge. Adjust the  
gap to 0.030 inch (0.76 mm) by carefully bending the ground  
electrode (Figure 3.4).  
Sparking can occur if the wire terminal does not  
fit firmly on the spark plug terminal end. If nec-  
essary, re-form the wire terminal to obtain a  
tight fit.  
Be sure to reinstall the muffler plug tightly.  
Engine vibration could cause a loose plug to  
fall out. Without the plug in place, hot engine  
exhaust is directed out the opening. This hot  
exhaust, depending on the installation, could  
be directed to areas not able to withstand the  
extreme heat such as wooden floor boards or  
other flammable material. This could result in a  
fire.  
Figure 3.4 – Setting the Spark Plug Gap  
3.8 CLEANING THE GENERATOR  
Keep the generator set as clean and dry as possible. Protect the  
unit against excessive dust, dirt, corrosive vapors, road splash,  
etc. Permitting dirt and moisture to accumulate on generator  
windings will have an adverse effect on the insulation resistance  
of those windings.  
3.6 FUEL FILTER (GASOLINE ONLY)  
Remove and replace the fuel filter (Figure 3.5) once each year or  
every 100 hours of operation, whichever comes first.  
When moisture is allowed to remain in contact with windings,  
some of the moisture will be retained in voids and cracks in the  
insulation. This causes a reduced insulation resistance and will  
eventually cause problems. Dirt will make the problem worse,  
since dirt tends to hold moisture in contact with windings. Salt (as  
from sea air) also will worsen the problem since it tends to absorb  
moisture from the air. Salt and moisture, when combined, form a  
good electrical conductor.  
Figure 3.5 – Fuel Filter  
Fuel Filter  
Do NOT use a forceful spray of water to clean  
the generator. Water will enter the generator  
interior and cause problems, and may also con-  
taminate the generator fuel system.  
14  
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Section 3 – Maintenance  
Recreational Vehicle Generator  
3.9 BATTERY MAINTENANCE  
All lead-acid batteries will discharge when not in use. The genera-  
tor battery should be inspected as follows:  
Do not open or mutilate the battery. Released  
electrolyte has been known to be harmful to the  
skin and eyes, and to be toxic.  
3.9.1 WEEKLY  
• Inspect the battery posts and cables for tightness and corro-  
sion. Tighten and clean as necessary.  
• Check the battery fluid level of unsealed batteries and, if nec-  
essary, fill with Distilled Water Only. Do not use tap water in  
batteries.  
The electrolyte is a dilute sulfuric acid that is  
harmful to the skin and eyes. It is electrically  
conductive and corrosive. The following  
procedures are to be observed:  
• Wear full eye protection and protective clothing;  
• Where electrolyte contacts the skin, wash it off  
immediately with water;  
• Where electrolyte contacts the eyes, flush  
thoroughly and immediately with water and seek  
medical attention; and  
• Spilled electrolyte is to be washed down with an  
acid neutralizing agent. A common practice is to  
use a solution of 1 pound (500 grams) bicarbonate  
of soda to 1 gallon (4 liters) or water. The bicar-  
bonate of soda solution is to be added until the  
evidence of reaction (foaming) has ceased. The  
resulting liquid is to be flushed with water and the  
area dried.  
3.9.2 EVERY SIX MONTHS  
• Have the state of charge and condition checked. This should be  
done with an automotive-type battery hydrometer.  
NOTE:  
Servicing of the battery is to be performed or supervised by  
personnel knowledgeable of batteries and the required precau-  
tions. Keep unauthorized personnel away from batteries.  
Damage will result if the battery connections are made in  
reverse.  
DANGER  
Do not dispose of the battery in a fire. The  
3.10 MAJOR SERVICE MANUAL  
To obtain a service manual for the generator, contact the nearest  
Authorized Service Dealer or, go to www.generac.com. Make sure  
to identify the MODEL NUMBER and SERIES.  
battery is capable of exploding. Stored batteries  
give off explosive hydrogen gas. This gas can  
form an explosive mixture around the battery for  
several hours after charging. The slightest spark  
can ignite the gas and cause an explosion. Such  
an explosion can shatter the battery and cause  
blindness or other injury. Any area that houses a  
storage battery must be properly ventilated. Do  
not allow smoking, open flame, sparks, or any  
spark producing tools or equipment near the  
battery. Discharge static electricity from body  
before touching the battery by first touching a  
grounded metal surface.  
3.11 DRIVE BELT  
The engine drives the generator rotor by means of a pulley and drive  
belt arrangement. The drive belt and pulleys are warranted for the life  
of the generator. Drive belt tension was properly adjusted before the  
unit was shipped from the factory. If suspecting that the drive belt  
tension is incorrect, contact an Authorized Service Dealer.  
3.12 EXERCISING THE GENERATOR  
The manufacturer recommends starting and operating the genera-  
tor at least once every seven days. Let the unit run for at least 30  
minutes to “exercise” the engine.  
A battery presents a risk of electrical shock  
and high short circuit current. The following pre-  
cautions are to be observed when working on  
batteries:  
• Remove watches, rings or other metal objects;  
• Use tools with insulated handles;  
• Wear rubber gloves and boots;  
• Do not lay tools or metal parts on top of the  
battery;  
• Disconnect any charging source prior to connecting  
or disconnecting battery terminals; and  
• Do not use any jumper cables or booster battery to  
crank and start the generator engine. If any battery  
has discharged, remove it for recharging.  
15  
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Section 3 – Maintenance  
Recreational Vehicle Generator  
3.13.2 RETURN TO SERVICE  
To return the unit to service after storage, proceed as follows:  
3.13 OUT OF SERVICE PROCEDURE  
3.13.1 REMOVAL FROM SERVICE  
If the generator cannot be exercised every seven days, and it is to  
be out of service longer than 30 days, prepare the generator for  
storage as follows:  
1. Check the tag on the engine for oil viscosity and classification.  
Verify that the correct recommended oil is used in the engine  
(see the "Engine Oil Requirements" section). If necessary,  
drain and refill with the proper oil.  
2. Check the state of the battery. Fill all cells of unsealed batteries  
to the proper level with distilled water. DO NOT USE TAP WATER  
IN THE BATTERY. Recharge the battery to 100 percent state of  
charge, or, if defective, replace the battery.  
1. Start the engine and let it warm up.  
2. Close the fuel shutoff valve in the fuel supply line and allow  
the unit to shut down.  
3. While the engine is still warm from running, drain the oil com-  
pletely. Refill the crankcase with SAE 10W-30 oil having API  
classification “For Service SF.”  
3. Clean and wipe the entire generator.  
4. Reconnect the battery. Observe battery polarity. Damage may  
occur if the battery is connected incorrectly.  
4. Attach a tag to the engine indicating the viscosity and clas-  
5. Turn OFF all electrical loads. Add fuel if necessary and then  
start the engine.  
6. Allow the unit to warm up thoroughly.  
sification of the oil in the crankcase.  
5. Remove the spark plug and pour two or three tablespoons of  
clean, fresh engine oil into the spark plug threaded openings.  
Reinstall and tighten the spark plug.  
6. Remove the battery and store it in a cool, dry room on a  
wooden board. Never store the battery on any concrete or  
earthen floor.  
7. Apply electrical loads to at least 50 percent of the unit’s rated  
wattage capacity.  
8. When the engine is thoroughly warmed up, shut it down.  
9. The generator is now ready for service.  
7. Clean and wipe the entire generator.  
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PART II –  
INSTALLATION  
INSTRUCTIONS  
DANGER  
ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS  
SHOULD ATTEMPT INSTALLATION!  
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Safety Rules  
Recreational Vehicle Generator  
DANGER: For fire safety, installation of a generator into a recreational vehicle must comply strict-  
ly with article 551, NFPA 70; ANSI C1-1975; AND, ANSI A119.2-1975/NFPA 501C “Standard for  
Recreational Vehicles” (Part 3, “Installation of Electrical Systems”). In addition, installation must com-  
ply with the manufacturer’s instructions and recommendations.  
NOTICE TO INSTALLER  
These Installation Instructions have been published by the manu-  
facturer to aid in the installation of the products described in this  
manual. The manufacturer assumes that installation personnel  
are familiar with the procedures for installing such products, or  
similar products manufactured. The manufacturer also assumes  
that personnel have been trained in the recommended installation  
procedures for these products and that such training includes (a)  
use of common hand tools, (b) use of special tools, and (c) use of  
any tools and/or equipment from other suppliers.  
GENERAL HAZARDS  
• For safety reasons, the manufacturer recommends that the  
installation, initial start-up and maintenance of this equipment  
is carried out by an Authorized Service Dealer.  
• Keep hands, feet, clothing, etc., away from drive belts, fans,  
and other moving or hot parts. Never remove any drive belt or  
fan guard while the unit is operating.  
• When working on this equipment, remain alert at all times.  
Never work on the equipment when physically or mentally  
fatigued.  
• Inspect the generator regularly, and contact the nearest  
Authorized Service Dealer immediately for parts needing repair  
or replacement.  
• Inspect the generator regularly, and contact the nearest  
Authorized Service Dealer immediately for parts needing repair  
or replacement.  
• Before performing any maintenance on the generator, discon-  
nect its battery cables to prevent accidental start up. Disconnect  
the cable from the battery post indicated by a NEGATIVE, NEG  
or (–) first. Reconnect that cable last.  
• Never use the generator or any of its parts as a step. Stepping  
on the unit can stress and break parts, and may result in dan-  
gerous operating conditions from leaking exhaust gases, fuel  
leakage, oil leakage, etc.  
The manufacturer cannot possibly know of and advise the rec-  
reational vehicle trade of all conceivable methods, procedures or  
techniques by which to perform an installation. Nor can the manu-  
facturer anticipate every possible hazard that might result from  
each installation method, procedure or technique. The manufactur-  
er has not undertaken any such wide evaluation. Therefore, people  
who use a method, procedure or technique that the manufacturer  
does not specifically recommend must first completely satisfy  
themselves that their safety, the safety of the vehicle's occupants  
and the product's safety is not endangered by the method, proce-  
dure or technique selected.  
Information, illustrations, specifications, etc., contained in these  
Installation Instructions are based on the latest information avail-  
able at the time of publication. Every effort has been expended  
to be sure that such data is both accurate and current. However,  
the manufacturer reserves the right to change, alter or otherwise  
improve this product at any time without prior notice.  
DANGER  
ENGINE EXHAUST HAZARDS  
Despite the safe design of this generator,  
• Generator engine exhaust contains DEADLY carbon monox-  
ide, an odorless, colorless poisonous gas. Breathing carbon  
monoxide can cause: dizziness, throbbing temples, nausea,  
muscular twitching, headache, vomiting, weakness and sleepi-  
ness, inability to think clearly, fainting, unconsciousness or  
even death. If you experience any carbon monoxide poisoning  
symptoms, move into fresh air and immediately seek medical  
attention.  
operating this equipment imprudently, neglect-  
ing its maintenance or being careless can cause  
possible injury or death. Permit only responsible  
and capable persons to operate or maintain this  
equipment.  
Potentially lethal voltages are generated by  
these machines. Ensure all steps are taken to  
render the machine safe before attempting to  
work on the generator.  
• Never operate the generator set with the vehicle inside any  
garage or other enclosed area.  
• Adequate, unobstructed flow of cooling and ventilating air  
is critical for expelling toxic carbon monoxide gas and fuel  
vapors from the generator compartment and for proper genera-  
tor operation. Without sufficient cooling airflow, deadly carbon  
monoxide gas can accumulate and the engine/generator may  
quickly overheat, causing serious damage to the generator. Do  
not operate the genset in any confined space.  
• The exhaust system must be installed in accordance with the  
genset installation manual. Do not alter the installation or permit  
even partial blockage of ventilation systems, as this can seri-  
ously affect the safe and proper operation of the generator.  
Parts of the generator are rotating and/or hot  
during operation. Exercise care near running  
generators.  
Generator exhaust gases contain DEADLY  
  
carbon monoxide gas. This dangerous gas, if  
breathed in sufficient concentrations, can cause  
unconsciousness or even death.  
18  
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Safety Rules  
Recreational Vehicle Generator  
• Do not operate the generator if the exhaust system is leaking or  
has been damaged or if you have experienced carbon monoxide  
poisoning symptoms during use. Shut down the generator and  
do not operate it until it has been inspected and/or repaired.  
• Never sleep in the vehicle while the genset is running unless the  
vehicle has a working carbon monoxide detector.  
FIRE HAZARDS  
• For fire safety, the generator must be installed and maintained  
properly. Installation always must comply with applicable  
codes, standards, laws and regulations. Adhere strictly to local,  
state and national electrical and building codes. Comply with  
regulations the Occupational Safety and Health Administration  
(OSHA) has established. Also, ensure that the generator is  
installed in accordance with the manufacturer’s instructions  
and recommendations. Following proper installation, do noth-  
ing that might alter a safe installation and render the unit in  
noncompliance with the aforementioned codes, standards,  
laws and regulations.  
• Keep a fire extinguisher in the vehicle at all times. Extinguishers  
rated ABC” by the National Fire Protection Association are  
appropriate for use on the recreational vehicle generator electrical  
system. Keep the extinguisher properly charged and be familiar  
with its use. If there are any questions pertaining to fire extin-  
guishers, consult the local fire department.  
ELECTRICAL HAZARDS  
• The generator covered by this manual produces dangerous  
electrical voltages and can cause fatal electrical shock. Avoid  
contact with bare wires, terminals, connections, etc., while the  
unit is running. Ensure all appropriate covers, guards and bar-  
riers are in place before operating the generator. If work must  
be done around an operating unit, stand on an insulated, dry  
surface to reduce shock hazard.  
• Do not handle any kind of electrical device while stand-  
ing in water, while barefoot, or while hands or feet are wet.  
DANGEROUS ELECTRICAL SHOCK MAY RESULT.  
• During installation onto the vehicle, properly ground (bond) the  
generator either by solid mounting to the vehicle frame or chas-  
sis, or by means of an approved bonding conductor. DO NOT  
connect the bonding conductor to any generator part that might  
be removed or disassembled during routine maintenance. If  
the grounding conductor must be replaced, use only a flexible  
conductor that is of No. 8 American Wire Gauge (AWG) copper  
wire minimum.  
• If the vehicle electrical circuits can be powered by any other  
source of electricity (such as a “dockside” power receptacle),  
there must be no possibility of connecting the different power  
sources to the vehicle circuits at the same time. The dockside  
(utility) power source must be positively isolated from the  
vehicle circuits whenever the generator is operating. Failure to  
isolate the vehicle circuits from the dockside power supply when  
the generator is running may result in damage to the generator  
or serious injury or death to dockside (utility) power workers due  
to backfeed of electrical energy.  
• In case of accident caused by electric shock, immediately shut  
down the source of electrical power. If this is not possible,  
attempt to free the victim from the live conductor. AVOID DIRECT  
CONTACT WITH THE VICTIM. Use a nonconducting implement,  
such as a rope or board, to free the victim from the live conduc-  
tor. If the victim is unconscious, apply first aid and get immediate  
medical help.  
• Never wear jewelry when working on this equipment. Jewelry  
can conduct electricity resulting in electric shock, or may get  
caught in moving components causing injury.  
EXPLOSION HAZARDS  
• Do not smoke around the generator. Wipe up any fuel or oil spills  
immediately. Ensure that no combustible materials are left in the  
generator compartment, or on or near the generator, as FIRE or  
EXPLOSION may result. Keep the area surrounding the generator  
clean and free from debris.  
• GasolineisextremelyFLAMMABLEanditsvaporsareEXPLOSIVE.  
Do not permit smoking, open flame, sparks or any source of  
heat in the vicinity while handling gasoline. Comply with all laws  
governing the storage and handling of gasoline.  
• Fuel lines must be properly installed and fastened, and free of  
leaks. There must be no possibility of gasoline vapors entering  
the vehicle interior.  
• It is required that an approved, flexible, nonconductive fuel line  
between the generator fuel connection point and rigid fuel lines  
be installed.  
• If the generator is equipped with a liquid propane (LP) gas fuel  
system, install the unit so it complies with all codes, standards  
and regulations pertaining to such systems. LP gas is highly  
explosive. The gas tends to settle in low areas where even the  
slightest spark can ignite it and cause an explosion. Do not  
allow gas vapors to enter the vehicle.  
19  
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Section 1 – General Information  
Recreational Vehicle Generator  
1.1 PURPOSE AND SCOPE  
1.4 EQUIPMENT DESCRIPTION  
Instructions and information in this section pertain to air-cooled  
generators. These generators are designed specifically for install-  
ing in recreational vehicles. They operate 120-volt, single-phase,  
60-Hertz, AC electrical loads that require 40.0 amps (gasoline) or  
37.5 amps (LP fuel) at 120 volts.  
OF THE MANUAL  
These Installation Instructions have been prepared especially for  
the purpose of familiarizing installers and owners of the applicable  
equipment with the product's installation requirements. Give seri-  
ous consideration to all information and instructions in the manual,  
both for safety and for continued reliable operation of the equip-  
ment.  
1.5 GENERATOR ENGINE  
OPERATING SPEED  
Because of the different recreational vehicle models and the  
variations between the models, it would be extremely difficult, if  
not impractical, to provide detailed instructions for every possible  
installation. For that reason, instructions and illustrations in this  
manual are general in nature. Illustrations are not intended to serve  
as detailed installation blueprints.  
The generator’s revolving field (rotor) is driven by a single-cylinder,  
four-cycle engine through a pulley and drive belt arrangement. The  
generator supplies 120 volts AC at 60 Hertz when the rotor is oper-  
ating at 3,600 rpm.The drive belt arrangement allows the engine to  
operate at a lower speed than the rotor.  
The installation should comply strictly with all applicable codes,  
standards and regulations pertaining to the installation and use of  
this product. If any portion of this manual appears to be in conflict  
with such codes, standards or regulations, the applicable codes,  
standards or regulations must take precedence over the manual.  
1.6 GENERATOR AC  
CONNECTION SYSTEM  
The generator is equipped with dual stator power windings as  
shown in Figure 1.1.  
1.2 SAFETY  
Figure 1.1 – 120-volt Single Voltage Connection  
Before handling, installing, operating or servicing this equipment,  
carefully read the “Notice to Installer” and “Safety Rules” on pages  
18 and 19. Comply with all safety rules to prevent death, personal  
injury or damage to equipment and/or property. Stress safety to  
all installers, operators and service technicians who work on this  
equipment.  
1.3 STANDARDS BOOKLETS  
Installation, use and servicing of this equipment should comply  
strictly with published standards, as well as the manufacturer's  
recommendations. The following standards booklets (latest revi-  
sion) are available from the sources indicated:  
1. NFPA Standard 501C, “Standard for Recreational Vehicles,”  
available from the National Fire Protection Association,  
Batterymarch Park, Quincy, MA 02269.  
• The AC connection system on all air-cooled generators uses a  
GROUNDED neutral.  
2. NFPA 70, “NFPA Handbook of the National Electric Code,”  
available same as Item 1.  
• A separate green ground wire is connected to the recreational  
3. ANSI C1-1975 and ANSI 119.2-1975, available from the  
American National Standards Institute, 1430 Broadway, New  
York, NY 10018.  
4. ANSI A119.2/NFPA 501C, available from the Recreational  
Vehicle Association, 1896 Preston White Drive, Reston, VA  
22090.  
5. California Administrative Code, Title 25, available from the  
State of California, Documents Section, P.O. Box 1015, North  
Highlands, CA 95660.  
vehicle’s junction box.  
• For these units, loads connected across T1 (red) to T2 (white),  
MUST NOT exceed 30 amperes or 3,600 watts, and loads con-  
nected across T3 (black) and T2 (white) MUST NOT exceed 20  
amperes or 2,400 watts each at 120 volts. The combined load-  
ing of the two breakers should not exceed 5,500 watts.  
NOTE:  
Do NOT connect loads in excess of circuit breaker ratings.  
6. CSA Electrical Bulletin 946, available from the Canadian  
Standards Association, Housing and Constructions Materials  
Section, 178 Rexdale Boulevard, Rexdale, Ontario, Canada,  
M9W 1R3.  
20  
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Section 1 – General Information  
Recreational Vehicle Generator  
Figure 1.2 – Major Features and Dimensions (Drawing 0F1127-A)  
21  
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Section 2 – Installation  
Recreational Vehicle Generator  
Figure 2.1 – Typical Horizontal Support Frame  
2.1 LOCATION AND SUPPORT  
2.1.1 GENERATOR LOCATION  
The most desirable location for the generator set is between the  
vehicle's main frame members. However, this is seldom possible.  
Most units must be installed on the side of the vehicle and are  
difficult to reinforce.  
Many recreational vehicles have been factory equipped with an  
area for the generator set. Some vehicles may even have a genera-  
tor compartment provided by the vehicle manufacturer.  
Plan the generator location based on the following:  
• The generator set must be installed on a framework that is  
part of the recreational vehicle, as outlined in the "Generator  
Support" section.  
• The location must provide an access opening that is large  
enough to permit generator removal (unless the generator is to  
be removed from underneath the supporting framework).  
• The location must provide easy access to frequently serviced  
components, such as filters, oil drains, spark plugs and other  
common maintenance parts.  
• The location must provide sufficient room to allow minimum  
clearances as outlined in the "Generator Compartment" section.  
If sound insulation is to be used on the compartment walls  
and ceiling, the minimum recommended applies to the space  
between the generator and such insulation.  
2.1.3 SUSPENDED MOUNTING  
If the generator will be suspended below the horizontal support  
tubing, the suspension method used with the vehicle frame mem-  
bers must (a) be able to support the weight of the generator AND  
(b) provide sufficient restraint for the generator. One typical sus-  
pended mounting system is shown in Figure 2.2. The location of  
a suspended mounting system must be carefully planned, keeping  
the following general rules in mind:  
• Protect the generator against road splash and debris. Baffles or  
splash guards may be required to protect certain areas of the  
generator. To make sure the generator is adequately protected,  
road test the installation through mud, water and slush.  
• The location must provide adequate cooling and ventilating  
airflow for the generator without a great deal of work and  
expense.  
Figure 2.2 – Typical Suspended Mounting System  
2.1.2 GENERATOR SUPPORT  
The generator must be securely attached to a metal framework that  
has been made part of the vehicle frame structure by bolting or  
welding. The metal framework on which the generator will rest and  
which will restrain the generator set should consist of at least two  
horizontal beams. These beams should consist of (a) 1-1/2-inch  
square, 11-gauge steel tubing OR (b) 1-1/2-inch, 11-gauge angle  
iron. A typical supporting frame with horizontal support tubing, is  
shown in Figure 2.1.  
The generator can be installed so that it sits on top of the horizontal  
support tubing if the vehicle design permits. Another method is  
to suspend the generator below the horizontal support tubing by  
means of suitable, structurally sound metal framework. The fol-  
lowing general rules apply:  
• The installer must make certain that the selected location will  
permit adequate cooling and ventilating airflow to be supplied.  
• Vehicle construction MUST be capable of supporting the weight  
of the generator.  
• Whether the generator is mounted above the horizontal support  
tubing or suspended below the tubing, the supporting frame  
used must be structurally sound.  
• If the generator cannot be bolted directly to the supporting  
frame or support tubing, consider using additional tubing,  
angle brackets or other supports to give the supporting frame  
sufficient strength.  
2.1.4 GENERATOR RESTRAINT  
Use four 3/8"-16 hardened steel bolts (Grade 5) to fasten the genera-  
tor to the supporting frame or the support tubing. These bolts must  
pass through (a) the generator mounting base, (b) the compartment  
floor (if a compartment is used) and (c) the supporting framework  
(Figure 2.3). All bolts must be long enough so that when tight, at  
least three threads are visible past the retaining lock nuts. Refer to  
the "Generator Compartment" section for the location of the generator  
mounting holes.  
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Section 2 – Installation  
Recreational Vehicle Generator  
• If the compartment is lined with galvanized steel, it may be  
constructed of any material. The manufacturer recommends  
that the compartment be constructed of 1/2-inch thick plywood  
(not strandboard), with the floor made of a double thickness of  
1/2-inch plywood with the grain of the wood at cross section  
for added strength (Figure 2.5).  
Figure 2.3 – Typical Generator Restraint  
Figure 2.5 – Typical Compartment Construction  
2.2 GENERATOR COMPARTMENTS  
Whether the generator set is being installed inside a compartment  
specifically manufactured to house a generator or inside a compart-  
ment that the installer constructs, the compartment MUST meet  
certain specifications as outlined in the following sections:  
2.2.1 COMPARTMENT SIZE  
Plan the compartment size carefully. Provide a minimum clearance  
of 1/2 inch (13 mm) on the front, 1-1/2 inches (38 mm) on the  
top, and 1 inch (25 mm) on the sides and back for air circulation  
AFTER the compartment has been lined with metal and sound  
insulation (Figure 2.4).  
• If constructing a compartment, line the exterior (underside) of  
the compartment floor with 26-gauge galvanized steel.  
• All seams, splices and joints of the compart-  
ment walls (unless vapor tight by design) should  
be caulked to prevent poisonous, flammable or explosive vapors  
from entering the vehicle interior.  
NOTE:  
Refer to “Figure 1.2 – Major Features and Dimensions”.  
Figure 2.4 – Clearances  
NOTE:  
Plywood  
Compartment  
Caulking must be done so that the caulking material will stay in  
place permanently. Pressing such materials as putty tape onto  
joints and seams is NOT acceptable. A high quality silicone rubber  
base sealant is recommended.  
1-1/2" Clearance on Top  
1" Clearance  
in Back  
• Holes and openings made in the compartment walls to allow for  
the passage of electrical conduit, conductors, hoses, cables,  
etc., into the vehicle living area must be sealed vapor tight with  
silicone rubber base sealant.  
• If flexible metal conduit is used, it must be sealed internally at  
the end where it terminates inside the compartment’s electrical  
junction box.  
1" Each Side  
1/2"  
Insulation  
in Front  
NOTE:  
Flexible metal conduit, due to its unique construction, is NOT  
vapor tight along its entire length.  
2.2.2 COMPARTMENT CONSTRUCTION  
• Seams and joints of the galvanized steel (whether used as a liner  
or for the compartment itself) must be lapped and mechanically  
secured. Such seams may be manufactured, welded, bolted,  
riveted or screwed. Manufactured lock seams are shown in  
Figure 2.6. Installer constructed compartments typically utilize  
a standard lap joint.  
• The generator compartment should be either constructed of, or  
lined with, 26-gauge galvanized steel.  
NOTE:  
Aluminum is NOT an acceptable alternative to galvanized steel  
due to aluminum’s low melting point.  
23  
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Section 2 – Installation  
Recreational Vehicle Generator  
Figure 2.6 – Types of Lock Seams  
2.2.4 ACOUSTICS  
For additional noise abatement, the installer may wish to consider  
the following:  
• Using special sound insulating materials.  
• Construction of a special noise abatement compartment.  
NOTE:  
Any method used to reduce noise must not adversely affect the  
flow of cooling and ventilating air into or out of the compart-  
ment.  
In addition to the effective use of sound insulating materials,  
construction of a special noise abatement compartment might be  
considered to reduce noise levels. Such a compartment might be  
constructed as follows (Figure 2.7):  
• After the compartment has been metal lined and vapor  
sealed, line the compartment interior walls and ceiling with an  
approved, nonflammable sound insulating material. See the  
"Sound Insulating Materials" section.  
• Use 5/8-inch thick or 3/4-inch thick plywood in the compart-  
ment.  
• Construct the compartment floor of a double thickness of 5/8-  
inch or 3/4-inch plywood.  
• Line the compartment interior walls and floor, as well as the  
underside of the floor, with 26-gauge galvanized steel.  
• Vapor seal all compartment seams and joints.  
• Over the galvanized steel lining, install a combination of acousti-  
cal materials as mentioned in the "Sound Insulating Materials"  
section.  
DANGER  
Do not install any flammable material directly  
above or around the compartment. Heat, trans-  
ferred through the compartment structure, may  
be sufficient to ignite, char or discolor seat  
cushions, fiberboard and other flammable mate-  
rials. Use approved nonflammable insulating  
materials in high temperature areas.  
DANGER  
To prevent fire or explosion, do not install any  
insulation or other absorbent materials on the  
2.2.3 SOUND INSULATING MATERIALS  
interior or underside of the compartment floor.  
Once installers have determined that a compartment is properly  
constructed and metal lined, they can add acoustical material.  
This may include additional sealant or insulating material, to reflect  
noise away from the vehicle interior.  
• Seal all compartment door edges to prevent noise leakage  
around the door perimeter.  
• Line the compartment door interior (except for air openings)  
with suitable, fireproof sound insulation (such as 1-inch (25  
mm) thick fiberglass with a 2-pound density).  
Sound insulating materials should be of a nonflammable type. One  
excellent insulating material is a 1-inch (25 mm) thick fiberglass  
having a 2-pound density. When fiberglass is used, its coated side  
should face toward the compartment interior.  
Figure 2.7 – Typical Noise Abatement  
DANGER  
Do not install sound insulation or any absorbent  
material on the compartment floor interior. Such  
materials will become soaked with combustible  
or explosive vapors and liquids and will become  
a fire hazard.  
Using a combination of sound insulating materials can often  
reduce noise more effectively than a single material. For example,  
a sheet of lead or visco-elastic material, along with a layer of other  
acoustical material, is more effective than when a single material  
is used.  
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Section 2 – Installation  
Recreational Vehicle Generator  
2.2.5 COMPARTMENT FLOOR CUTOUTS  
Provide openings in the generator compartment for the following  
items (Figure 2.8):  
2.3 COOLING AND VENTILATING  
AIR  
It is absolutely essential that an adequate flow of air for cooling,  
ventilating and engine combustion be supplied to the generator set.  
Without sufficient airflow, the engine/generator quickly overheats.  
Such overheating can cause serious operating difficulties and also  
may cause fire and personal injury. The installer must make sure  
that sufficient air is available to the generator for cooling, ventilat-  
ing and combustion. The installer also must provide for a path for  
exhausting the cooling air to the exterior of a compartment, if so  
equipped.  
• Engine exhaust and cooling air outlets  
• Generator cooling air inlet  
• Four holes for passage of generator mounting bolts. See the  
"Generator Restraint" section.  
DANGER  
Fuel lines and exhaust piping must not penetrate  
into the vehicle living area.  
Figure 2.8 – Compartment Floor Cutout  
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Section 2 – Installation  
Recreational Vehicle Generator  
NOTE:  
DANGER  
Screening, louvers or expanded metal that cover air open-  
ings restrict airflow. Compensate for this by making the actual  
air opening proportionately larger. See the "Compensating for  
Restrictions" section.  
Never use discharged cooling air for heating or  
permit such air to enter the vehicle interior. This  
air contains deadly carbon monoxide gas and  
other poisonous, flammable or explosive gases.  
NOTE:  
Be sure to meet the minimum clearances illustrated in Figure  
2.4.  
2.3.1 GENERATOR AIRFLOW  
Engine operation drives cooling fans for the two-stage cooling air  
system. A pressure fan draws cooling air into the top of the generator  
(Figure 2.9). This airflow cools the engine/generator and electronic  
components. The second part of the cooling system, a suction fan,  
draws air that is heated from a hot engine into a collector pan at the  
base of the unit. This heated air (although cooler than exhaust muf-  
fler) is then deflected out the bottom toward the ground.  
When the unit is installed on a suspended mounting system, one  
of several different methods of supplying airflow may be used as  
follows:  
• Provide a door in the vehicle skirt having an air inlet opening  
(Figure 2.11).  
Figure 2.11 – Suspended Mount: Inlet Door  
Figure 2.9 – Airflow Through Engine/Generator  
• Using ductwork (Figure 2.12). The installer must be sure air is  
available to the top of the generator since air inlets are located  
at the top.  
• By providing an opening in the vehicle skirt and space behind  
the generator for cooling airflow (Figure 2.13). Recommended  
clearance behind the back of the generator is at least 1/2 inch  
(13 mm).  
2.3.2 COOLING AIR INLET OPENINGS  
The minimum size of the air inlet opening, whether the generator  
is housed in a conventional compartment or not, is at least 100  
square inches (see Figure 2.10). This rule applies whether inlet  
air is brought in through an opening in the compartment door, an  
opening in the vehicle skirt, through ductwork, or by any other  
means.  
Figure 2.12 – Air Inlet Using Ductwork  
Figure 2.10 – Air Inlet in Compartment Door  
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Section 2 – Installation  
Recreational Vehicle Generator  
Figure 2.13 – Air Inlet in Vehicle Skirt  
Figure 2.14 – Generator Fuel System  
VEHICLE FLOOR  
VEHICLE  
SKIRT  
FUEL LINE  
AIR  
INLET  
MINIMUM  
CLEARANCE  
1-1/2"  
FUEL PUMP  
FUEL FILTER  
DANGER  
Gasoline is highly flammable, and its vapors are  
explosive. Comply with all codes, standards and  
regulations pertaining to gasoline fuel systems  
used in recreational vehicle generators. Properly  
install and maintain the fuel system and keep it  
entirely free of leaks. Gasoline vapors must not  
enter the vehicle interior.  
2.3.3 COMPENSATING FOR RESTRICTIONS  
Such materials as screening, louvers or expanded metal can  
restrict the free flow of air. Compensate for this restriction by mak-  
ing the actual air opening proportionately larger.  
Factory installed generator fuel system components include (a)  
fuel filter, (b) 12-volt DC electric pump, (c) engine carburetor, and  
(d) interconnecting lines and fittings. Connect a fuel supply line  
to the fuel filter inlet. Use a flexible length of approved fuel hose  
between the fuel filter inlet connection and rigid fuel lines.  
Some materials may offer only a 60 percent “free air inlet area.”  
Other more efficient materials may provide up to a 90 percent free  
air inlet area. The percentage of free air inlet opening is usually  
available from the material supplier or manufacturer.  
To determine the actual air inlet opening size required, divide  
100 square inches by the percentage of free air inlet area for  
the material being used.  
2.4.1 FUEL TANK  
Either the generator must share the vehicle engine's fuel tank, or a  
separate fuel tank must be installed for the generator set. All fuel  
tanks installed on the vehicle must be constructed, installed and  
restrained so they comply with applicable codes, standards and  
regulations. The generator has an evaporative emissions port to  
evacuate accumulated gasoline vapors when necessary.  
For example: If planning to use screening with an 80 percent free  
air inlet area, divide 100 by 0.8, which results in 125 square inches.  
Minimum actual size of air inlet opening in this case is 125 square  
inches.  
2.3.4 TESTING THE INSTALLATION  
If the generator is to share the vehicle engine's tank, separate  
fuel pickup tubes are required for the engine and the generator.  
The manufacturer recommends that the fuel pickup tube be two  
to three inches (51 to 76 mm) shorter than the vehicle engine's  
pickup tube. This prevents the generator from depleting the entire  
fuel supply during prolonged generator operating periods.  
The manufacturer recommends testing the installation to be sure  
adequate cooling airflow is available to the unit before placing the  
unit into service. If the unit shows signs of overheating, enlarge the  
air openings. Never place a unit into service until absolutely certain  
that cooling and ventilation is adequate.  
NOTE:  
The installation must be tested, especially if air is brought in  
from below the generator set.  
Do NOT tie the generator fuel supply line into  
the vehicle engine fuel supply line. If this is  
done, the generator will be starved of fuel  
when both engines are operating at the same  
time. Also, while the vehicle engine is not run-  
ning, generator operation may drain the vehicle  
engine supply line, making it difficult to start the  
vehicle engine.  
2.4 GASOLINE FUEL SYSTEM  
The installation of a gasoline fuel system (Figure 2.14) for a  
recreational vehicle generator set must comply with applicable  
codes, standards and regulations. The entire fuel system must be  
completely free of leaks. There must be no possibility of gasoline  
vapors entering the vehicle interior.  
Gasoline generators are equipped with an evaporative emissions  
vacuum port that may be used in conjunction with a certified fuel  
system where required by law.  
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Section 2 – Installation  
Recreational Vehicle Generator  
2.4.2 GENERATOR FUEL SUPPLY LINE  
2.5.1 PARTS NOT INCLUDED IN FUEL SYSTEM  
The propane fuel system does NOT include such items as (a) gas  
tank, (b) gas piping, (c) fittings, (d) valves, and (e) primary regula-  
tor, used to store the gaseous fuel and deliver it to the gaseous fuel  
solenoid (Figure 2.15).  
2.4.2.1 Rigid Fuel Lines  
Those lines used to supply fuel from a tank to the generator must  
comply with applicable codes, standards and regulations. The fol-  
lowing general rules apply to rigid fuel lines:  
DANGER  
• Rigid lines should be of annealed, seamless, drawn aluminum  
or steel.  
• Lines and fittings must comply with SAE J512F, Standard  
Automotive Fittings,” or with ANSI B126.26 (latest edition).  
• Route the fuel line so that at least 2 inches (51 mm) of clear-  
ance is maintained between the line and any exhaust system  
parts.  
• Do not attach electrical wiring to fuel lines. Route the wiring so  
it cannot come into contact with any fuel line.  
• Route fuel lines so if they leak, fuel does not drip onto any  
electrical or exhaust system parts.  
Use only approved components in the fuel sup-  
ply system. All components must be properly  
installed in accordance with applicable codes.  
Improper installation or use of unauthorized  
components may result in fire or an explosion.  
Follow approved methods to test the system for  
leaks. No leakage is permitted. Do not allow fuel  
vapors to enter the vehicle interior.  
Figure 2.15 – Typical Propane Gas Fuel System  
• Use nonferrous metal straps without sharp edges to secure  
fuel lines.  
2.4.2.2 Flexible Fuel Line  
Use an approved flexible length of fuel hose between the generator  
fuel inlet connection and rigid fuel lines. This prevents breaking of  
the line caused by vibration, shifting, settling or movement. The  
following rules apply:  
• The flexible hose must comply with SAE J1737 (30R7),  
“Standard for Fuel and Oil Hose.” It must be approved for use  
with gasoline and low permeability.  
• The hose should be at least 6 inches (152 mm) longer than  
is needed to prevent the hose from rupturing if the generator  
shifts or settles.  
2.5 LP GAS FUEL SYSTEM  
DANGER  
LP gas is highly EXPLOSIVE. The gas is heavier  
than air and tends to settle in low areas. Even  
2.5.2 SOME IMPORTANT CONSIDERATIONS  
When installing an LP gas system, consider seriously the following  
items:  
the slightest spark can ignite it and cause and  
explosion. Only competent, qualified people  
should be allowed to install, test, adjust or ser-  
vice an LP gas fuel system. Install the optional  
fuel system in compliance with applicable codes,  
standards and regulations. After the installation,  
do not do anything that might render the system  
in noncompliance with applicable codes and  
standards.  
• All fittings, lines, hoses and clamps must be tight and free of  
leaks. Apply a pipe sealant to threads when assembling thread-  
ed connections. This reduces the possibility of leakage.  
• Test the entire fuel system for leaks using approved test meth-  
ods.  
• Optimum gas pressure at the inlet to the gaseous fuel solenoid  
valve and secondary regulator is 11 inches water column.  
• The installer’s fuel supply connection point is at the gaseous  
fuel solenoid valve. This is a 3/4-inch (female) connection.  
Provide a suitable 3/4-inch NPT (male) connector to attach to  
the fuel supply line.  
The LP powered range of generators are fitted with a nonadjust-  
able, factory set system. These systems are tamper-proof to meet  
1997 California Air Resources Board requirements for engine  
emission.  
• Use a length of approved flexible fuel hose between the gaseous  
fuel solenoid valve and rigid gas piping. The flexible line should  
be at least six (6) inches longer than necessary.  
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Section 2 – Installation  
Recreational Vehicle Generator  
The greater the airflow through the carburetor venturi, the lower the  
pressure at the venturi throat. The lower the pressure at the venturi  
throat, the greater the diaphragm movement, and the greater the  
movement of the regulator valve. The more the regulator valve  
opens, the greater the gas flow that is proportional to airflow  
through the generator.  
2.5.3 VAPOR WITHDRAWAL  
LP gas is stored in pressure tanks as a liquid. The gas systems  
used with these generators were designed only for vapor with-  
drawal type systems. Vapor withdrawal systems use the gas  
vapors that form above the liquid fuel in the tank. Do NOT attempt  
to use the generator with any liquid withdrawal type system.  
The following facts about the secondary regulator must be empha-  
sized:  
2.5.4 PRIMARY REGULATOR  
• The regulator must be sensitive to venturi throat pressure  
changes throughout the operating range.  
• The regulator must be properly adjusted so it will stop the flow  
of gas when the engine is not running (no air flow through the  
carburetor).  
Gas pressure delivered to the solenoid valve must be properly  
regulated by means of a primary gas regulator. Mount the primary  
regulator at the gas tank outlet or in the supply line from the gas  
tank. The following rules apply:  
• For best results, the primary regulator supplies gaseous fuel to  
the secondary regulator at 11 inches water column. Do NOT  
exceed 14 inches water column.  
• The slightest airflow (and vacuum in the venturi throat) should  
move the regulator valve off its seat and permit gas to flow.  
• The installer must be sure the primary regulator is rated at  
sufficient gas flow to operate the generator plus all other gas  
appliances in the circuit.  
2.5.6 FUEL SUPPLY LINES  
• LP gas lines must be accessible, but protected against possible  
damage.  
NOTE:  
• Do NOT connect electrical wiring to any LP gas fuel line or run  
Recommended MINIMUM gas flow rate for all air-cooled gen-  
erators is 67 cubic feet per hour.  
wiring alongside the lines.  
• Route gas lines away from hot engine exhausts.  
• Retain gas lines with metal clamps that do not have sharp  
edges.  
• Install an approved length of flexible hose between the gaseous  
fuel solenoid valve and rigid fuel supply lines. The flexible line  
must be nonmetallic, nonorganic and nonconductive. It must be  
approved for use with LP gas.  
If an existing primary gas regulator does not have a sufficient  
flow capacity for the generator and other gas appliances in the  
circuit, (a) install a primary regulator with adequate flow rate,  
or (b) install a separate regulator only and rated at least 67  
cubic feet per hour. The inlet side of any primary regulator that  
supplies the generator must connect directly to a gas pressure  
tank. Do NOT tee the generator line into a gas circuit feeding  
other areas.  
2.5.7 EXCESS FLOW VALVE  
LP gas tanks should have an excess flow valve, according to  
NFPA 501C, Paragraph 3-4.4. This valve and the gas lines must  
be carefully sized so the valve will close when a fuel line is severed  
or broken. Consult the Natural-LP Gas Association for information  
and limitations of excess flow valves.  
2.5.5 GASEOUS CARBURETION  
LP gas vapors should be supplied to the secondary regulator inlet  
at about 11 inches water column (positive pressure). The engine  
pistons draw air in during the intake stroke (Figure 2.16). This air  
passes through a carburetor venturi, which creates a low pressure  
that is proportional to the quantity of air being pumped. The low  
pressure from the carburetor venturi acts on the regulator dia-  
phragm to pull the diaphragm toward the source of low pressure.  
A lever attached to the diaphragm opens a valve to permit gas glow  
through the carburetor.  
Manual shutoff valves on the supply tank and elsewhere in the sys-  
tem must be fully open when operating the generator. The excess  
flow valve functions properly only if all valves are fully open.  
2.5.8 LEAKAGE TESTS  
Do not place the generator into service until the gas system has  
been properly tested for leaks. To test the system, a separate  
source of 12 volts DC is needed to open the gaseous fuel solenoid  
valve.  
Figure 2.16 – LP Gas Carburetion Diagram  
The leak test must comply fully with NFPA, Paragraph 318. All con-  
nections, hoses, valve regulators, fittings, and other fuel system  
parts must be tested under gas or air pressure of not less than  
90 psi (620 kPa), while using soap and water or an equivalent  
solution to check for leaks. Other approved methods of testing for  
leaks may be used, if appropriate. DO NOT USE ANY FLAME TO  
TEST FOR LEAKS.  
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Section 2 – Installation  
Recreational Vehicle Generator  
Failure to provide and maintain a spark arrestor may be in violation  
of the law. If this generator is used on any forest covered, brush  
covered or grass covered unimproved land, a spark arrestor must  
be installed. The vehicle owner or operator must maintain this  
device in good condition. In the state of California, the preceding  
is required by law (Section 4442 of the California Public Resources  
Code). Other states may have similar laws. Federal laws apply on  
federal lands.  
DANGER  
Gaseous fuel lines between the tank and the  
secondary regulator are under a positive pres-  
sure (about 11 inches water column). Gas pres-  
sure at the outlet side of the secondary regula-  
tor, however, is a negative pressure and can  
draw flame inside a line or fitting and cause an  
explosion.  
2.6.2 TYPE OF EXHAUST SYSTEM  
Two types of exhaust systems for these generators are available  
from the manufacturer. They include the following:  
2.6 EXHAUST SYSTEM  
The generator exhaust system must be safely and properly  
installed. Only approved mufflers and other exhaust system parts  
must be used. A properly installed exhaust system must be vapor  
tight, quiet and completely safe.  
• “Out-the-bottom” exhaust system dimensions are 15/16” O.D.,  
model 9742.  
• “Out-the-side” exhaust system dimensions are 1-1/4” O.D., 18  
gauge, model 4172.  
DANGER  
NOTE:  
The generator engine gives off DEADLY carbon  
No matter what type of exhaust kit best fits the recreational  
vehicle, the mounting base has openings for either “bottom-  
out” or “side-out” exhaust systems. Use the cover plate pro-  
vided with the generator to cover the opening NOT used.  
monoxide gas through its exhaust system. This  
dangerous gas, if breathed in sufficient concen-  
trations, can cause unconsciousness or even  
death. Never operate the generator set with the  
vehicle inside any garage or other enclosed  
area. DO NOT OPERATE THE GENERATOR IF  
THE EXHAUST SYSTEM IS LEAKING OR HAS  
BEEN DAMAGED. SYMPTOMS OF CARBON  
MONOXIDE POISONING ARE (a) inability to  
think coherently; (b) vomiting; (c) twitching  
muscles; (d) throbbing temples; (e) dizziness;  
(f) headaches; (g) weakness; and (h) sleepiness.  
IF FEELING ANY OF THESE SYMPTOMS, MOVE  
INTO FRESH AIR IMMEDIATELY. IF SYMPTOMS  
PERSIST, GET MEDICAL HELP. Do not operate  
the generator until its exhaust system has been  
inspected and properly repaired.  
2.6.3 EXHAUST SYSTEM SAFETY  
• Maintain a clearance of at least 3 inches (76 mm) between  
exhaust system parts and any combustible material (such as  
wood, felt, cotton, organic fibers or other like material). If the  
3-inch (76 mm) clearance cannot be maintained, locate, insu-  
late or shield the exhaust part(s) so that the temperature of any  
combustible material is not raised more than 117° F (65° C)  
above the ambient air temperature.  
• Extend the exhaust system at least 1 inch (25 mm) past the  
outer edge of the vehicle. Do not terminate the exhaust system  
under the vehicle.  
• Terminate the exhaust tailpipe such that exhaust gases will not  
be drawn back into the generator compartment and recircu-  
lated.  
• If there is any possibility of the tailpipe or muffler being dam-  
aged, protect these damage-prone areas by means of a protec-  
tive device (such as a skid bar).  
Never tee the generator engine exhaust pipe into  
the vehicle engine exhaust piping. This causes  
excessive back pressure on the generator  
engine. Also, water from one engine can damage  
the other engine.  
• Install the generator exhaust system according to safe automo-  
tive practices.  
• Use enough exhaust system hangers to prevent any part of the  
system from being dislocated.  
• Use exhaust system parts recommended by the manufacturer.  
Using unapproved exhaust mufflers and exhaust system parts  
is the responsibility of the person(s) installing such unauthor-  
ized parts.  
• Do not terminate the exhaust system under any opening, win-  
dow or vent that can be opened or is not permanently sealed  
from the vehicle interior.  
2.6.1 MUFFLERS AND SPARK ARRESTORS  
This muffler meets code and standard requirements of the U.S.  
Forest Service. Use only mufflers and parts approved by the  
manufacturer. Any person(s) installing an unapproved muffler,  
or an unapproved exhaust system part, or modifying an exhaust  
system in any way that might cause a hazard, is liable for any  
damage, injury or warranty expense that might be caused by such  
unapproved installation or modification.  
• Exhaust piping must be large enough to prevent excessive back  
pressure on the generator engine.  
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Section 2 – Installation  
Recreational Vehicle Generator  
• Never tee the generator engine exhaust pipe into the vehicle  
engine exhaust piping. This causes excessive back pressure on  
the generator engine. Also, water from one engine can damage  
the other engine.  
2.7.3 GENERATOR AC CONNECTIONS  
Generator AC output leads T1 (red), T2 (white) and T3 (black)  
come out of the generator as shown in Figure 2.17. Leads T1 (red)  
and T3 (black) are “hot,” while T2 (white) is the grounded neutral  
lead. There is also a green lead that connects to ground in the  
junction box of the recreational vehicle.  
• Plan exhaust system installation carefully. Comply with all appli-  
cable codes, standards and regulations.  
2.7 ELECTRICAL CONNECTIONS  
Figure 2.17 – Generator AC Output Leads  
Be sure to read the "Generator AC Connection System" section.  
The following general rules apply to electrical connections in a  
recreational vehicle:  
• Qualified electricians who are familiar with applicable codes,  
standards and regulations should install electrical wiring.  
• The wiring should comply with codes, standards and regula-  
tions. The National Electrical Code (NFPA 70), and state and  
local codes apply.  
• Switches and circuit breakers should be of a type approved for  
use in recreational vehicles and must be mounted and installed  
to prevent damage from road shock.  
T3  
T2  
T1  
Green  
(Ground)  
• Wiring must be of adequate size, have approved insulative  
qualities and be properly supported.  
• Conduit and wire openings into the generator compartment  
(if used) must be vapor-sealed to prevent entry of flammable,  
explosive or poisonous gases into the vehicle.  
2.7.1 ELECTRICAL JUNCTION BOX  
Line T1 (red) to T2 (white) is protected against overload by a  
30-amp circuit breaker (CB1). Use this line-to-neutral connection  
separately to operate 120-volt, single-phase, 60 Hertz, AC loads  
requiring up to 3,600 watts (3.6 kW) of power. Line T3 (black) to  
T2 (white) also is protected against overload by a 20-amp circuit  
breaker (CB2). Use this line-to-neutral connection separately to  
operate similar loads. However, be sure the total unit load does not  
exceed the maximum rating of the generator. The neutral line (T2,  
white) on all units is a grounded neutral.  
Install an approved, square electrical junction box with a blank  
cover on the interior or exterior wall of the area planned for installa-  
tion of the generator (NOT on the generator). Route the generator's  
AC output leads into this junction box through approved flexible  
conduit. This is the point of first termination for generator AC  
output leads.  
2.7.2 WIRING  
• Wiring should be of stranded copper to reduce the chance that  
vibration may cause breakage.  
• Wire gauge size should be large enough to handle at least 115  
percent of the installed generator's rated maximum current.  
• If neutral conductors are used, they must be the same size as  
other leg wires.  
• Route power supply conductors from generator AC output leads  
T1 (red), T2 (white), T3 (black) and the green ground wire  
through approved flexible conduit to the electrical junction box  
on the compartment wall.  
• If flexible metal conduit is used between the generator and the  
compartment junction box, the conduit end that terminates the  
compartment junction box must be vapor-sealed. Flexible metal  
conduit is NOT vapor tight along its entire length.  
Do NOT connect electrical loads in excess of any  
circuit breaker rating or problems with circuit  
breaker tripping will develop, which causes a loss  
of AC output. Also, do NOT exceed the genera-  
tor's rated wattage capacity. Add the watts or  
amperes of all lighting, appliance, tool and motor  
loads the generator will operate at one time. This  
total should be less than the unit's rated wattage/  
amperage capacity.  
2.7.4 CONDUIT  
• From the junction box, route power supply wires through approved  
conduit to either (a) double-pole, double-throw transfer switch, or  
(b) approved isolation receptacle. Connecting to a transfer switch  
or isolation receptacle must prevent vehicle electrical circuits from  
being connected to two different power supplies at the same time  
(such as generator and dockside power).  
Route the connections between the generator and the junction box  
through approved, flexible conduit. The following general rules  
apply:  
• Cut wiring to the required length and allow extra wire for junc-  
tion box connections.  
• Carefully prepare conduit ends to prevent sharp edges from  
• Conductors must be rated 221° F (105° C) or must be of a  
cutting through wiring insulation.  
larger conductor size.  
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Section 2 – Installation  
Recreational Vehicle Generator  
• Route conduit so it does not interfere with generator move-  
ment.  
2.8 BATTERY INSTALLATION  
• If using metallic conduit, vapor seal the end of the conduit  
where it enters the junction box. Do this because flexible metal-  
lic conduit is not vaporproof along its entire length.  
2.8.1 RECOMMENDED BATTERY  
Install a battery that meets the following requirements:  
• The battery must be a 12-volt, automotive type storage bat-  
tery.  
• For prevailing ambient temperatures above 32° F (0° C), use  
a battery rated 70 amp-hours and capable of delivering 400  
cold-cranking amperes.  
• For prevailing ambient temperatures below 32° F (0° C), use  
a battery rated 95 amp-hours and capable of delivering 400  
cold-cranking amperes.  
2.7.5 ISOLATING DIFFERENT POWER SOURCES  
Connections from the junction box must terminate in a double-  
pole, double-throw transfer switch (Figure 2.18). An alternate  
method for isolating different power sources is by using an isolat-  
ing receptacle (Figure 2.19). Whichever method is use, be certain  
that both power sources are NOT connected at the same time.  
NOTE:  
2.7.6 POWER SUPPLY CORD  
The power supply cord must comply with all applicable codes,  
standards and regulations. It must be large enough to handle the  
full amperage to which it will be subjected.  
If the battery is to be used to power other vehicle accessories,  
as well as start the generator, a battery with a larger capacity  
may be needed.  
2.8.2 BATTERY CABLES  
2.7.7 GROUND FAULT CIRCUIT INTERRUPTERS  
Using battery cables that are too long or too small in diameter may  
cause a drop in voltage, which causes starting problems. For the best  
cold weather starting, the voltage drop between battery terminals and  
the generator connection point should not exceed 0.12 volts per 100  
amperes of cranking current.  
The National Electrical Code (NFPA 70, 551-7) requires that ground  
fault circuit interrupters (GFCIs) on all external and some internal  
electrical receptacles be installed. Contact the manufacturer or  
dealer for recommendations.  
Figure 2.18 – Transfer Switch Isolation Method  
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Section 2 – Installation  
Recreational Vehicle Generator  
Figure 2.19 – Installation With Isolation Receptacle  
These generators are rated at about 100 DC amperes of cranking  
current.  
NOTE:  
Check to be sure the battery cable boot for the starter cable has  
been installed.  
Select battery cables based on (a) cable length and (b) prevail-  
ing ambient temperatures. Generally, the longer the cable and the  
colder the weather, the larger the cable size must be, as shown in  
the chart.  
2. Connect the battery cable from the battery post indicated by a  
NEGATIVE, NEG or (-) to the frame ground connection (Figure  
2.20).  
3. Connect cables so the connectors are clean and tight.  
CABLE LENGTH  
CABLE SIZE  
in Feet (meters)  
Figure 2.20 – Connecting Battery Cables  
0 to 10 (0 to 3)  
11 to 15 (3.4 to 4.5)  
16 to 20 (4.5 to 6)  
2*  
0
SIDE VIEW OF GENERATOR  
000  
*For warm weather, use No. 2 cable up to 20 feet.  
STARTER  
CONTACTOR  
2.8.3 BATTERY CABLE CONNECTIONS  
1. Connect the battery cable from the battery post or terminal  
indicated by a POSITIVE, POS or (+) to the lug on the starter  
contactor (Figure 2.20).  
GROUND LUG  
BATTERY  
NEGATIVE CABLE  
33  
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Section 3 – Post-installation Start-up Adjustments  
Recreational Vehicle Generator  
2.8.4 BATTERY COMPARTMENT  
Install the generator battery in its own, vented compartment. Place  
the battery compartment away from any source of heat, sparks  
or flame.  
3.1 POST INSTALLATION TESTS  
The air-cooled generator set was factory tested and adjusted. It  
should not be required to adjust the unit any further except under  
special circumstances.  
Provide ventilation openings in the battery compartment. The  
minimum size of openings should be 2 square inches at the top  
of the compartment. Mount the battery on a strong, rigid support-  
ing structure, where leaks and spills of battery fluid will not cause  
damage.  
Do not make any unnecessary adjustments.  
Factory settings are correct for most applica-  
tions. When making adjustments, however, be  
careful to avoid overspeeding the engine.  
2.9 OPTIONAL ACCESSORIES  
3.2 BEFORE INITIAL START-UP  
A plug-in receptacle (Figure 2.21) is provided on the generator  
set, above the muffler enclosure. Use this receptacle to connect  
an optional remote-mounted start/stop panel to the generator.  
Installation of such a panel will permit starting and stoping the  
generator engine from any convenient location inside the vehicle.  
Before starting, complete the following:  
1. Check the engine crankcase oil level and, if necessary, fill to  
the dipstick “FULLmark (cross-hatched area) with the rec-  
ommended oil. Do not fill above the FULL mark.  
2. Check the fuel supply. Gas fuel lines must have been properly  
purged and leak tested in accordance with applicable fuel  
codes. All fuel shutoff valves in the fuel supply lines must be  
open.  
Figure 2.21 – Remote Panel Plug-in Receptacle  
DANGER  
If a liquid propane (LP) gas fuel system has  
been installed, it must be properly tested for  
leaks before operating the system in compliance  
with ANSI A119.2/NFPA 501C. No leakage is per-  
mitted. Be sure no gasoline fuel vapors enter the  
vehicle interior.  
3.3 INITIAL START  
When absolutely certain that the unit has been properly installed  
and prepared for use, start the engine as follows:  
1. Turn off all electrical loads. Do this by setting the generator’s  
main circuit breakers to their “OFF” (or open) position.  
2. Refer to Part I, section “Starting the Generator”, for cranking  
and starting instructions. The engine may require more crank-  
ing for initial starting since the fuel lines have to be primed  
(use of the primer switch will shorten this time).  
2.9.1 REMOTE PANEL MODELS  
The remote panels mount a rocker type start/stop switch, a  
“Generator Run” advisory lamp and an hourmeter. The hourmeter  
should be used in conjunction with the maintenance operations  
found in Part I of this manual. The Prime switch is not connected,  
it must be used with jumper wire 0G7666.  
3. Let the engine warm up for about five minutes to allow internal  
temperatures to stabilize.  
• Model 0F0429 includes the remote panel and a 10 foot long,  
5-wire harness.  
4. Carefully inspect the engine/generator for fuel, oil and exhaust  
system leaks. Before proceeding to the next step, correct any  
leakage immediately.  
• Model 0F0430 includes the remote panel and a 30 foot long,  
5-wire harness.  
5. When all tests and adjustments at no-load are completed,  
apply electrical loads and check for proper operation under  
load. See the "Testing Under Load" section. Run the unit at  
least 30 minutes with loads applied.  
6. Turn off all electrical loads by setting the generator’s main  
circuit breakers to their “OFF” (or OPEN) position.  
7. Let the unit run at no-load for a few minutes to stabilize  
internal engine/-generator temperatures. Then, shut down the  
engine.  
34  
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Section 3 – Post-installation Start-up Adjustments  
Recreational Vehicle Generator  
NOTE:  
The generator set was thoroughly tested and adjusted at the  
factory before shipping. No additional adjustment should be  
necessary. Only qualified service technicians who have been  
trained should perform adjustments outlined in this manual.  
3.4 TESTING UNDER LOAD  
Apply electrical loads equal to about 75 to 100 percent of the unit's  
rated wattage/amperage capacity.  
Let the unit run at least 30 minutes with load applied. During this part  
of the test, check that the unit is not running excessively hot and that  
adequate cooling airflow is available. Do not allow the unit to overheat  
during prolonged operation.  
NOTE:  
The generator engine is equipped with a high temperature  
switch. The switch has normally closed (N.C.) contacts. When  
the engine temperature is too high, switch contacts close, and  
the engine shuts down automatically.  
THE MANUFACTURER RECOMMENDS TESTING THE GENERA-  
TOR FOR ADEQUATE COOLING.  
35  
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Section 3 – Post-installation Start-up Adjustments  
Recreational Vehicle Generator  
EXHAUST SYSTEM  
Exhaust system complies with all applicable codes.  
3.5 INSTALLATION CHECKLIST  
LOCATION AND SUPPORT  
Generator is properly located.  
Generator is properly supported.  
Generator is properly restrained.  
Exhaust system is properly and safely installed.  
ELECTRICAL CONNECTIONS  
Connections comply with local code requirements and all  
National Electrical Codes.  
GENERATOR COMPARTMENT  
Compartment construction is proper.  
Holes/Openings are vapor-sealed.  
Compartment size is correct.  
Junction box is properly installed.  
Wiring meets all standards.  
All connections are correct.  
Conduit is properly installed and sealed.  
Generator is properly bonded to the vehicle.  
Compartment is vapor-sealed.  
Sound insulation is correct.  
BATTERY INSTALLATION  
Recommended battery is installed.  
Recommended cables are installed.  
Cables are clean and tight.  
Floor cutouts are properly completed.  
COOLING AND VENTILATING AIR  
Airflow is adequate.  
Air inlet opening is correct.  
Cables are connected properly.  
Proper ventilation is provided.  
Compensate for restrictions.  
Check that installation has been tested.  
Terminals are coated with anti-corrosion grease, and terminal  
covers are positioned.  
GASOLINE FUEL SYSTEM  
Fuel tank complies with all applicable codes.  
OPTIONAL ACCESSORIES  
Check that remote start/stop panels (if used) are installed  
Fuel system is properly installed and checked for leaks.  
properly.  
Check that hourmeter kit (if used) is installed properly.  
OPTIONAL LP GAS FUEL SYSTEM  
Fuel system is properly installed and checked for leaks.  
Pressure at regulator inlet is correct.  
Check that any other options and accessories (if used) are  
installed properly.  
Rated flow of primary regulator is correct.  
All parts are properly installed.  
POST INSTALLATION TESTS  
Check that all tests are completed properly.  
Fuel system is properly tested/adjusted.  
DATE OF INSTALLATION _______________________________________________________  
NAME OF INSTALLER__________________________________________________________  
SIGNATURE OF INSTALLER ____________________________________________________  
36  
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Section 4 – Troubleshooting  
Recreational Vehicle Generator  
TROUBLESHOOTING GUIDE  
Problem  
Cause  
Correction  
The engine will not crank.  
1. Fuse blown  
1. Replace fuse.  
2. Loose, corroded or defective  
2. Tighten, clean or replace  
battery cables  
as necessary.  
3. Defective engine Start/Stop  
switch  
3. Replace Start/Stop switch.  
4. Defective starter contactor  
5. Defective starter motor  
6. Low or defective battery  
4. Replace contactor.  
5. Replace starter motor.  
6. Charge or replace battery.  
The engine cranks but  
will not start.  
1. Out of fuel  
1. Replenish fuel.  
2. Replace fuel pump.  
2. Defective fuel pump  
3. Open #14 wire from  
engine control board  
3. Check connections and.  
insulation of #14 wires.  
4. Flooded engine  
4. Wait 5-10 minutes before trying.  
5. Clean, re-gap or replace plug(s).  
6. Open fuel line shut-off.  
7. Clean or replace fuel filter.  
5. Defective spark plug(s)  
6. Fuel line shut-off closed  
7. Plugged fuel filter  
The engine starts hard  
and runs rough.  
1. Air cleaner  
plugged or damaged  
2. Defective spark plug(s)  
1. Check, clean or replace air cleaner.  
2. Clean, re-gap or replace plug(s).  
The engine starts, but shuts  
down when the Start/Stop  
switch is released.  
1. Engine oil level low  
2. Defective low oil  
pressure switch  
1. Check oil and add oil as needed.  
2. Replace pressure switch.  
3. Defective high temperature  
switch  
3. Replace temperature switch.  
4. Defective engine control board  
5. Overheated engine  
4. Replace control board.  
5. Check that the airflow  
openings are adequate.  
The Start/Stop switch is  
set to Stop, but the engine  
continues to run.  
1. Defective Start/Stop switch  
2. Open/Disconnected #18 wire  
between Start/Stop switch  
1. Replace switch.  
2. Reconnect or close wire.  
and engine control board  
3. Open/Disconnected #0 wire  
3. Reconnect or close wire.  
4. Replace control board.  
between Start/Stop switch  
and engine control board  
4. Defective engine control board  
There is no AC output from  
the generator.  
1. Main line circuit breaker open  
1. Reset circuit breaker  
to ON (or CLOSED).  
2. Fault with vehicle circuit  
breaker and/or fuses  
2. Reset and replace if necessary.  
3. Transfer switch set to NORMAL  
4. Start switch not held long  
enough to flash the field  
3. Set switch to GENERATOR.  
4. Stop, then restart the engine  
(Hold Start switch for at least  
two (2) seconds).  
5. Generator internal failure  
5. Contact an Authorized Service Dealer.  
37  
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Section 5 — Electrical Data  
Recreational Vehicle Generator  
Electrical Schematic and Wiring Diagram – Drawing No. 0D1754-B  
38  
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Section 5 — Electrical Data  
Recreational Vehicle Generator  
Electrical Schematic and Wiring Diagram – Drawing No. 0D1754-B  
39  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Base and Pulleys (Model 05754-0) – Drawing No. 0D1759-E  
40  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Base and Pulleys (Model 05754-0) – Drawing No. 0D1759-E  
ITEM PART NO. QTY. DESCRIPTION  
ITEM PART NO. QTY. DESCRIPTION  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
0C2368  
053407  
046911  
025017  
022237  
022129  
0A6479  
077603  
022259  
052858  
051730  
029459  
075215  
073146  
075209  
0A8341  
090239  
040976  
1
1
4
6
6
9
1
2
2
6
2
2
2
4
2
1
1
2
BASE, MOUNTING  
GROUND CABLE  
MOUNT, (RUBBER)  
CAPSCREW, HEX HD.-3/8"-16 X 1/2"  
LOCK WASHER-3/8"  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
0C4006  
0A4456  
090475  
087769  
0A7695  
0A6922  
079246  
022145  
023897  
0A8010A  
077643  
075237  
0D1741A  
090859  
0F9176  
0A8594  
0A1658  
023152  
0A8475  
045756  
022131  
048031C  
081105  
066849  
0D1227  
0A8010  
0C2824  
0742600131  
024114  
0D1741  
022152  
022158  
0A8531  
0A8407  
022473  
0A2110  
1
2
1
1
1
1
2
5
3
1
1
4
1
1
6 IN.  
1
2
2
3
2
1
2
2
5
1
1
7
1
2
2
2
2
1
1
CABLE, BATTERY  
3/8" SPECIAL LOCK WASHER  
FUEL PUMP  
FUEL FILTER  
FITTING-1/8" PIPE TO 1/4" TUBE  
FUEL TUBE, METAL  
CAPSCR., HEX HD.-M6-1.0 X 16  
FLAT WASHER-M8-5/16"  
FLAT WASHER-#10  
GASKET, BLOWER HSNG  
EXHAUST PIPE GASKET  
WASHER, SPRING RETAINER  
BOOT, STARTER CONTACTOR  
EXHAUST COVER PLATE  
HOSE, FUEL  
LOCK WASHER-M8  
SKID, RUBBER MOUNT  
SAFETY BOLT 5/16"-18 X 3 1/2"  
NUT, HEX-5/16"-18  
NUT, FLANGED LOCK-M8-1.25  
CAPSCR. HEX HD.-M8-1.25 X 60MM  
SPRING, BELT TENSION  
WASHER, SPRING CNTR.  
SLIDE (NYLON)  
SUPPORT, NYLON SLIDE  
MANIFOLD, EXHAUST  
GASKET, EXHAUST MANIFOLD  
SOCKET HD. CAPSCR.,-M8-1.25 X 20  
LG.  
PAN, SLIDE  
SPECIAL LOCK WASHER, ¼”  
CAPSCR., HEX HD.-3/8"-16 X 3/4"  
SPECIAL LOCK WASHER, M5  
SCREW, TAPTITE-M6-1.0 X 10 LG.  
FLAT WASHER-M10  
19  
20  
21  
22  
23  
24  
25  
0A6858  
0A8614  
075224B  
073106B  
075216  
049451  
042633  
1
1
1
1
1
1
1
GASKET, COLLECTOR PAN  
SKID, RUBBER MOUNT  
PULLEY, ENGINE  
CLAMP, HOSE  
PULLEY, ALT.  
NUT, FLANGE-5/16"-18 (SPECIAL)  
SCREW, TAPTITE M5-0.8 X 16 LG.  
STARTER CONTACTOR  
GASKET, BLOWER HSNG  
HHS #10-32 X 9/16” LG, TAP-R  
STARTER CABLE  
HEX NUT-5/16”-24  
BOOT, STARTER CONTACTOR  
LOCK WASHER-M4  
BELT (POLY V 4L)-40"  
WASHER, PULLEY RETAINER  
CAPSCR., SOCKET HD. 3/8"-24 X 1"  
(GRADE 5)  
CAPSCR., HEX HD.-M8-1.25 X 20  
CAPSCR., HEX HD.-3/8"-24 X 2"  
CRIMPTITE-#10-24 X 1/2"  
BRACKET-FUEL PUMP  
HOUSING, BLOWER  
CRIMTITE-#8-18 X 1/4”  
SCREEN, SLIDE PAN  
GASKET, BLOWER / PAN  
SPRING, GENERATOR SET MT  
26  
27  
28  
29  
30  
31  
32  
33  
34  
039253  
0A8250  
056893  
0A8615  
0C1320  
063036  
0A8694  
0A8726  
075242  
3
1
5
1
1
3
1
1
4
HEX NUT-#10-32  
PLATE, BLOWER SIDE  
GASKET, BLOWER SIDE  
FLAT WASHER ¼”  
1
2
SCREW, SWAGE 1/4–28 X 1/2”  
41  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Base and Pulleys (Model 04164-3) – Drawing No. 0F1124-D  
42  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Base and Pulleys (Model 04164-3) – Drawing No. 0F1124-D  
ITEM PART NO. QTY. DESCRIPTION  
ITEM PART NO. QTY. DESCRIPTION  
1
2
3
4
5
6
7
0F1126  
048031M  
0F7065  
022145  
022129  
045771  
066849  
1
2
16”  
8
12  
3
2
ASSEMBLY REGULATOR  
#8 HOSE CLAMP  
HOSE, 1/2” I.D. PETROLEOM  
WASHER FLAT 5/16”- M8  
WASHER LOCK M8 - 5/16”  
NUT HEX M8-1.25  
SCREW, TAPTITE M5-0.8 X 16MM  
LONG  
WASHER FLAT 1/4” - M6  
GROUNDING LUG  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
056893  
0A8407  
0A8531  
039253  
0C1320  
0A8010  
0A8010A  
0A8726  
0A8250  
022131  
075224B  
023897  
0A6858  
042633  
075216  
049451  
073106B  
0A8694  
063036  
0A8594  
0D1227  
022152  
022158  
0D1741  
0742600131  
024114  
075763A  
023152  
053407  
0A4456  
0E9193  
0A2110  
0C2824  
5
1
1
3
1
1
1
1
1
1
1
3
1
1
1
1
1
1
3
1
1
2
2
2
1
2
1
2
1
2
1
2
7
SCREW CRIMPTITE #10-24 X 1/2”  
GASKET, BLOWER SIDE  
PLATE, BLOWER SIDE  
SCREW HHC M8-1.25 X 20MM  
HOUSING, BLOWER  
GASKET, BLOWER HOUSING  
GASKET, BLOWER HOUSING  
GASKET, BLOWER / PAN  
CAPSCR., HEX HD. 3/8"-24 X 2"  
WASHER FLAT 3/8”- M10  
PULLEY, ENGINE  
8
9
10  
11  
022473  
062684  
0A8475  
077603  
1
1
2
2
LOCK WASHER SPECIAL #10  
SAFETY BOLT SCREW HHC 5/16”-18 X  
3.5”  
WASHER FLAT #10  
GASKET, COLLECTOR PAN  
SCREW HHC 3/8”-24 X 1”  
BELT (POLY V 4L)-40"  
WASHER, PULLEY RETAINER  
PULLEY, ALT.  
SCREEN, SLIDE PAN  
SCREW CRIMPTITE #8-18 X 1/4”  
PAN, SLIDE  
STARTER CONTACTOR  
WASHER LOCK #10  
NUT HEX #10-32  
BOOT, STARTER CONTACTOR  
STARTER CABLE  
NUT HEX 5/16”-24  
BOOT, BATTERY CABLE  
SCREW HHC 3/8”-16 X 3/4”  
GROUND CABLE  
WASHER LOCK SPECIAL 3/8”  
BRACKET, LP REGULATOR  
SCREW, SWAGE 1/4-28 X 1/2”  
SCREW HHTR #10-32 X 9/16  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
0C2368  
051730  
029459  
075215  
052858  
073146  
075209  
075242  
075237  
0A6479  
046911  
025017  
022237  
022259  
081105  
0A8614  
090239  
040976  
0A8341  
077643  
090859  
079246  
1
2
2
2
6
4
2
4
4
1
4
6
6
2
2
1
1
2
1
1
1
2
BASE, MOUNTING  
SCREW HHC M8-1.25 X 60MM  
SPRING, BELT TENSION  
WASHER, SPRING CENTER  
NUT TOP LOCK FL M8-1.25  
SLIDE (NYLON)  
SUPPORT, NYLON SLIDE  
SPRING, GENERATOR MOUNT  
WASHER, SPRING RETAINER  
SKID, RUBBER MOUNT  
MOUNT, (RUBBER)  
SCREW HHC 3/8”-16 X 1/2”  
WASHER LOCK 3/8”  
NUT HEX 5/16”-18  
NUT FLANGE 5/16"-18  
SKID, RUBBER MOUNT  
GASKET, EXHAUST MANIFOLD  
SCREW SHC M8-1.25 X 20MM  
MANIFOLD, EXHAUST  
EXHAUST PIPE GASKET  
EXHAUST COVER PLATE  
SCREW HHC M6-1.0 X 16MM W/ LOCK  
WASHER  
43  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Alternator and Panel (Model 04164-3) – Drawing No. 0D1776-J  
44  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Alternator and Panel (Model 04164-3) – Drawing No. 0D1776-J  
ITEM PART NO. QTY. DESCRIPTION  
ITEM PART NO. QTY. DESCRIPTION  
1
2
0C9675  
0A5649H  
0A5646H  
073159  
031971  
0C9674  
0A6529  
052858  
066386  
066849  
0A8475  
0C3818  
075234  
022473  
022097  
055816  
090141  
0A1658  
074906  
0922340SRV  
0H3224  
1
1
1
1
1
1
4
4
1
3
3
1
1
2
5
1
2
2
4
1
1
LOWER BEARING CARRIER  
ROTOR ASSEM.  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
075235  
082737  
049813  
055440  
043182  
045771  
053623  
023484S  
0F9719  
022152  
051716  
090144  
090145  
025105  
086315  
090734  
2
4
4
2
2
4
1
1
1
5
3
1
1
4
1
4
M5-0.8 X 30 LG. CAPSCREW  
VIBRATION MOUNT  
3
STATOR ASSEM.  
M6-1.0 HEX NUT  
4
BALL BEARING  
BALL BEARING  
UPPER BEARING CARRIER  
STUD-STATOR  
M8-1.25 FLANGE LOCK NUT  
BRUSH HOLDER  
M5-0.8 X 16 LG. TAPTITE  
SPECIAL LOCK WASHER, M5  
GENERATOR TOP HOUSING  
RESISTOR1R 5% 25 WLVG  
¼”/ M6-FLAT WASHER  
¼”/ M6-LOCK WASHER  
M6-1.0 X 70 LG. CAPSCREW  
GROUND CABLE  
SPECIAL LOCK WASHER, M6  
M6-1.0 X 20 LG. TAPTITE  
CONTROLLER P.C.B.  
DECAL, MAINTENANCE SCHEDULE  
RV  
5/16” –M8 LOCK WASHER  
NYLON WASHER  
PANEL SHEET METAL  
4-PIN CONNECTOR  
CONDUIT ASSEMBLY  
ASSEMBLY, REMOTE CABLE  
M5-.08 X 110 LG. PPHMS  
SPACER-PLASTIC  
M4-0.7 X 16 LG. CAPSCREW  
#8/ M4-LOCK WASHER  
BATTERY CHARGE RECTIFIER  
M3-0.5 X 12 LG. PPHMS  
PANEL SUPPORT BRACKET  
M5-08 X 25 LG. HEX HD. CAPSCR.  
M3-LOCK WASHER  
HEX NUT, M8  
C/BREAKER 2.5A.-ON  
BUSHING  
REGULATOR VOLTAGE  
LOCKWASHER, #10  
M5-0.8 HEX NUT  
C/BREAKER 20A.  
C/BREAKER 30A.  
#6-32 SCREW W/LOCK WASHER  
PANEL COVER  
M4-0.7 X 12 LG. CAPSCR.W/LOCK-  
WASHER & FLAT WASHER  
#6-FLAT WASHER  
FUSE HOLDER  
FUSE AGC-15A.  
SWITCH S.P.D.T. (START-STOP)  
SWITCH S.P.D.T.-(FUEL PUMP)  
TERMINAL BLOCK  
SPECIAL LOCK WASHER, M4  
M4-0.7 HEX NUT  
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
022985  
032300  
022676  
087798  
092113  
075210A  
0A8475A  
051715  
090157  
090156  
074908  
031791  
023897  
0D2724  
031879  
049815  
1
1
1
1
1
1
1
1
1
1
2
1
2
2
2
1
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
022129  
027756  
086316  
053650  
0C4258  
075244  
094071  
094070  
075476  
022264  
065795  
090987  
086317A  
4
4
1
1
1
1
1
1
3
4
1
2
1
DECAL, CB RATING 30A.  
DECAL, CB RATING 20A.  
M5-0.8 X 10 LONG TAPTITE  
CLAMP, HOSE  
#10/ M5-FLAT WASHER  
BOOT, ROCKER SWITCH  
WASHER FLAT #4  
HHCS M5-0.8 X 16  
45  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Engine Sheet Metal – Drawing No. 0D1760-J  
46  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Engine Sheet Metal – Drawing No. 0D1760-J  
ITEM  
PART NO.  
QTY.  
DESCRIPTION  
1
2
3
4
5
6
7
8
9
0A4323  
045756  
029289  
091222DSRV  
067198N  
067890  
0A4456  
056893  
0A6358  
091646  
0G3279  
0G3111  
022717A  
073132  
061669  
089685  
022129  
049813  
057821  
059637  
0D9004A  
059985  
025034  
0A8875  
0A7299  
0A9539  
0A7838  
038593  
022473  
0A6357  
0A6360  
0A6489  
0A6359  
0742600131  
090892  
091159  
091160  
091161  
049821  
086999  
0A8584  
075281  
0C1085  
043182  
070185B  
0E9649  
082774  
0C2308  
0A1658  
090388  
075474A  
0D1624  
0C4373  
1
8
SCROLL, FLYWHEEL  
SCREW, TAPTITE M6-1.0 X 10MM  
FOAM TAPE  
2.5 FT.  
1
1
1
1
21  
1
1
1
2
1
1
1
2
6
1
2
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
2
1
1
1
1
1
1
1
1
FLYWHEEL  
WASHER, BELLVILLE M20 X 2.2  
NUT, M20 X 1.5, FLYWHEEL  
3/8" SPECIAL LOCK WASHER  
SCREW, CRIMPTITE #10-24 X 0.5”  
COVER,TOP FLYWHEEL  
DEFLECTOR, EXHAUST PORT  
ASSEMBLY, IGNITION COIL NO ADV. V410 RV  
SCREW, TAPTITE M6-1.0 X 25MM  
GROMMET, RUBBER  
BOOT, SPARK PLUG  
PLUG, BUTTON ¾”  
GROMMET, RUBBER  
LOCK WASHER-M8  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
NUT, HEX M6-1.0  
CAPSCR, HEX HD M8-1.25 X 40MM  
SCREW, TAPTITE 3/8"-16 X 0.75”  
ASSY, STARTER MOTOR  
SOCKET HD. CAPSCR., M8-1.25 X 45MM  
PLUG, BUTTON 1-1/16”  
ASSEMBLY, DIPSTICK & CAP  
OIL DRAIN/DIPSTICK TUBE  
OIL DRAIN HOSE ASSEMBLY  
PIPE NIPPLE, 3/8" X 8" LG.  
BRASS STREET ELBOW, 3/8"  
FLAT WASHER, 1/4"-M6  
WRAPPER, ENGINE SPARK PLUG  
WRAPPER, STARTER SIDE  
WRAPPER, REAR GEAR CASE  
WRAPPER, CARB. SIDE  
ASSEMBLY, WIRE-STARTER (#16)  
SUPPORT, OIL FILTER  
BUSHING, RUBBER  
WASHER, RUBBER  
BOLT, SHOULDER-M6-1.0 X 15MM  
BOLT, SOCKET HD. CAPSCR.-M8-1.25 X 30MM  
GASKET, OIL FILTER SUPPORT  
SWITCH, OIL PRESSURE-10 PSI  
SWITCH, OIL TEMPERATURE  
SCREW, PHILIPS PAN HD. MACH.-M3-0.5 X 8MM  
LOCK WASHER-M3  
FILTER, OIL  
ENGINE, LONG BLOCK-GN410VSRV  
KEY, WOODRUFF 4 X 19 DIA.  
COVER, CARB.  
SPECIAL LOCK WASHER, M6  
TAPTITE, M6-1.00 X 12MM  
BOOT, TEMPERATURE SWITCH  
BOOT, OIL PRESSURE SWITCH  
SPACER, ENDFRAME  
1
47  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
GN-410 Engine – Drawing No. 0E9615-B  
48  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
GN-410 Engine – Drawing No. 0E9615-B  
ITEM PART NO. QTY. DESCRIPTION  
ITEM PART NO. QTY. DESCRIPTION  
1
2
3
4
5
6
0G2565  
0E3221  
0E1466  
071983  
021713B  
0A1442  
1
1
1
2
1
8
RING SET, PISTON DIA 90  
CONNECTING ROD  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
0E3812  
076361  
0A5776  
0A7811  
078645  
078691  
074908  
0A7975  
0A5771  
0B2104  
0E9667  
078658  
078659  
0A7628  
089288C  
0E3341  
086025  
0D9853B  
0E9666  
090747  
0C3150  
092362  
068527  
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
1
1
1
1
4
CRANKSHAFT SEAL  
THRUST WASHER  
PISTON PIN  
PRESSURE RELIEF BALL  
GOVERNOR SPOOL  
PISTON PIN RETAINER  
CYLINDER HEAD GASKET  
FLANGED HEX HD. CAPSCREW  
M8-1.25 X 42  
M10 1.5 X 105MM HHFL  
PISTON, FLAT TOP DIA 90 COATED  
CRANKCASE GASKET  
M6-1.0 X 10 TAPTITE (THD.  
FORMING)  
BREATHER GASKET  
BREATHER COVER  
OIL BREATHER SEPARATOR  
PIPE PLUG-3/8"  
GOVERNOR RETAINER (C-RING)  
COVER, OIL PRESSURE RELIEF  
M5-0.8 X 10MM TAPTITE  
GOVERNOR GEAR ASSEMBLY  
OIL PRESSURE SPRING  
SPRING WASHER  
OIL SUMP ASSEMBLY  
GOVERNOR ARM "R" PIN  
THRUST WASHER  
GOVERNOR ARM RC45  
CRANKCASE SUB ASSEMBLY  
BALANCER  
SET GEROTOR  
PUSH ROD  
CRANKSHAFT ASSEMBLY  
BREATHER VALVE ASSEMBLY  
ROCKER COVER GASKET  
ROCKER COVER W/FILL  
M6-1.0 X 20MM HEX HEAD.  
SCREW. AND LOCKWASHER  
BEARING TUBE SHAFT  
OIL SCREEN PICKUP ASSEMBLY  
OIL FILL PLUG  
7
8
9
021742  
0G2751  
076701  
045756  
4
1
1
2
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
080308  
080309  
080338  
0D4788  
083897  
072694  
0D3998  
078672  
078694  
083907  
0G6791  
2
1
1
1
2
2
2
1
1
2
1
TAPPET, SOLID  
PIVOT BALL STUD  
NUT HEX M8-1.0 G8  
SEAL, VALVE STEM  
PUSH ROD GUIDE PLATE  
ROCKER ARM  
CYLINDER HEAD W/VALVE SEATS  
AND GUIDES  
22  
23  
24  
25  
26  
27  
28  
0D2274  
086515  
086516  
086517  
089673  
0C4391  
0A9877  
2
4
1
1
2
2
1
VALVE SPRING RETAINER  
VALVE SPRING KEEPER  
EXHAUST VALVE  
52  
53  
54  
55  
56  
083921  
077158  
076329  
0E0057  
093064  
1
1
1
1
1
INTAKE VALVE  
"O" RING  
OIL FILL CAP ASSEMBLY  
WASHER, VALVE SPRING  
VALVE SPRING  
CAMSHAFT ASSEMBLY  
49  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Engine Accessories – Drawing No. 0F1135-E  
50  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Engine Accessories – Drawing No. 0F1135-E  
ITEM  
PART NO.  
QTY.  
DESCRIPTION  
1
2
3
4
5
6
0A6532  
091039  
051753  
0E7585  
089228  
0A7336B  
0A6562  
090970  
0A7660  
0A7660A  
056893  
0A6566  
0A6780  
096290  
073111  
1
1
1
1
1
1
1
1
1
1
3
1
1
2
1
MANIFOLD, INTAKE  
GASKET, MANIFOLD/HEAD  
HHCS-M6-1.0 X 40MM  
SPARK PLUG, CHAMP  
GASKET, CARB/MANIFOLD  
CARBURETOR, GN 410 L/P  
CARBURETOR, GN410 GAS  
GASKET, CARB/AIR FILTER  
ASSY, AIR CLEANER/VALVE  
ASSY, AIR CLEANER/VALVE W/EVAP (02010-3 & 05754 ONLY)  
CRIMPTITE #10-24 X 1/2”  
DETENT  
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
SPRING, A/L BELLCRANK-CARB.  
STUD, CARB. MOUNT 90 LG.  
FILTER, AIR  
0A6563  
0C3633  
0A6581A  
0C2332  
092164  
082025  
0A7029  
0A6913  
091161  
049813  
092586  
083512  
0A6778  
0A6785  
0A6753  
0A8222  
086681  
020753  
022473  
022097  
0A6582  
0A6503  
0A6569  
0A7660  
0A6568  
0A6567  
091916  
083532  
072683A  
028414A  
0A6239  
0A6584  
036544  
089473  
0A7094  
1
2
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
2
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
COVER, AIR FILTER  
KNOB, AIR CLEANER  
BREATHER, TUBE  
DECAL, AIRBOX QP55  
ASSEMBLY, GOV. SPRING ADI BRACKET  
NUT HEX LOCK M5-0.8 NYLON  
NYLON WASHER, .31” X .26” X .13”  
ROD, LINKAGE GOV. LEVER-BELLCRANK  
BOLT, SHOULDER, M6-1.0 X 15MM  
NUT, M6-1.0  
WASHER, FELT  
TAPTITE-M8-1.25 X 16MM  
SPRING, A/L GOV. LEVER-BELLCRANK  
ROD, LINKAGE BELLCRANK-CARB.  
BELLCRANK, GOV. RODS  
SPRING, GOVERNOR  
NUT, GOVERNOR LEVER  
HHCS-M6-1.0 X 60MM  
M6 FLAT WASHER  
M6 LOCK WASHER  
TUBE, WINTER INLET  
GROMMET 1/16”-1-1/2”  
GROMMET, AIR IN/OUT  
VALVE, WINTER/SUMMER  
GROMMET, WINTER/SUMMER VALVE  
SPRING, DETENT  
LEVER, GOVERNOR ARM  
BOLT, HEX HD. WASHER/LOCK WASHER-M6-1.0 X 30MM  
PLUG, 1/8 NPTF (02010-3 ONLY)  
BARBED STRAIGHT 1/8 NPT X 1/4 (05754-0 ONLY)  
ASSEMBLY, CHOKE SOLENOID (02010-3 & 05754 ONLY)  
LINKAGE, CHOKE (02010-3 & 05754 ONLY)  
PIN, COTTER 3/32” X .5” (02010-3 & 05754 ONLY)  
ASSEMBLY, CHOKE HEATER (02010-3 & 05754 ONLY)  
PPHMS #4-40 X .25” (02010-3 & 05754 ONLY)  
44  
45  
46  
47  
48  
51  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Alternator & Panel – Drawing No. 0H3636-A  
52  
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Section 6 — Exploded Views and Parts Lists  
Recreational Vehicle Generator  
Alternator & Panel – Drawing No. 0H3636-A  
ITEM PART NO. QTY. DESCRIPTION  
ITEM PART NO. QTY. DESCRIPTION  
1
2
0C9675  
0A5649H  
0A5646H  
073159  
031971  
0C9674  
0A6529  
052858  
066386  
066849  
0A8475  
0C3818  
075234  
022473  
022097  
055816  
090141  
0A1658  
074906  
0922340SRV  
0H3224  
022129  
027756  
086316  
053650  
0C4258  
075244  
094071  
094070  
075476  
022264  
065795  
090987  
086317A  
075235  
082737  
049813  
055440  
043182  
1
1
1
1
1
1
4
4
1
3
3
1
1
2
5
1
2
2
4
1
1
4
4
1
1
1
1
1
1
3
4
1
2
1
2
4
4
2
2
LOWER BEARING CARRIER  
ROTOR ASSEM.  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
045771  
053623  
023484S  
0F9719  
022152  
051716  
090144  
090145  
025105  
086315  
086315A  
090734  
4
1
1
1
5
3
1
1
4
1
1
4
HEX NUT, M8  
C/BREAKER 2.5A.-ON  
BUSHING  
3
STATOR ASSEM.  
4
BALL BEARING  
BALL BEARING  
UPPER BEARING CARRIER  
STUD-STATOR  
M8-1.25 FLANGE LOCK NUT  
BRUSH HOLDER  
M5-0.8 X 16 LG. TAPTITE  
SPECIAL LOCK WASHER, M5  
GENERATOR TOP HOUSING  
RESISTOR1R 5% 25 WLVG  
¼”/ M6-FLAT WASHER  
¼”/ M6-LOCK WASHER  
M6-1.0 X 70 LG. CAPSCREW  
GROUND CABLE  
SPECIAL LOCK WASHER, M6  
M6-1.0 X 20 LG. TAPTITE  
CONTROLLER P.C.B.  
DECAL, UNIT  
5/16” –M8 LOCK WASHER  
NYLON WASHER  
PANEL SHEET METAL  
4-PIN CONNECTOR  
CONDUIT ASSEMBLY  
ASSEMBLY, REMOTE CABLE  
M5-.08 X 110 LG. PPHMS  
SPACER-PLASTIC  
M4-0.7 X 16 LG. CAPSCREW  
#8/ M4-LOCK WASHER  
BATTERY CHARGE RECTIFIER  
M3-0.5 X 12 LG. PPHMS  
PANEL SUPPORT BRACKET  
M5-0.8 X 30 LG. CAPSCREW  
VIBRATION MOUNT  
REGULATOR VOLTAGE  
LOCKWASHER, #10  
5
6
M5-0.8 HEX NUT  
7
C/BREAKER 20A.  
8
C/BREAKER 30A.  
9
#6-32 SCREW W/LOCK WASHER  
PANEL COVER  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
PANEL COVER EVAP. (05754 ONLY)  
M4-0.7 X 12 LG. CAPSCR.W/LOCK-  
WASHER & FLAT WASHER  
#6-FLAT WASHER  
FUSE HOLDER  
FUSE AGC-15A.  
SWITCH S.P.D.T. (START-STOP)  
SWITCH S.P.D.T.-(FUEL PUMP)  
TERMINAL BLOCK  
SPECIAL LOCK WASHER, M4  
M4-0.7 HEX NUT  
DECAL, CB RATING 30A.  
DECAL, CB RATING 20A.  
M5-0.8 X 10 LONG TAPTITE  
CLAMP, HOSE  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
022985  
032300  
022676  
087798  
092113  
075210A  
0A8475A  
051715  
090157  
090156  
074908  
031791  
023897  
0D2724  
031879  
049815  
0G0247  
0G7457  
0G9319  
069598  
035579  
1
1
1
1
1
1
1
1
1
1
2
1
2
2
2
1
1
1
1
1
1
#10/ M5-FLAT WASHER  
BOOT, ROCKER SWITCH  
WASHER FLAT #4  
HHCS M5-0.8 X 16  
SOLENOID, LP/NG DC12V  
BARBED EL 90 1/4 NPT X 5/16  
WIRE ASSY. (NOT SHOWN)  
BULKHEAD ADAPTER  
BUSHING REDUCER HEX 1/4 TO  
1/8 NPT  
72  
73  
035578  
028740  
1
1
NIPPLE PIPE 1/8 X 3/4  
BARBED EL 90 1/8 NPT X 1/4  
M6-1.0 HEX NUT  
M5-08 X 25 LG. HEX HD. CAPSCR.  
M3-LOCK WASHER  
53  
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Section 7 – Notes  
54  
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Section 7 – Notes  
55  
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Section 8 – Warranty  
Recreational Vehicle Generator  
CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENT  
YOUR WARRANTY RIGHTS AND OBLIGATIONS  
The California Air Resources Board (CARB) and the United States Environmental Protection Agency (EPA), together with Generac Power Systems, Inc.  
(Generac), are pleased to explain the Emission Control System Warranty on your new engine.* New utility, and lawn and garden equipment engines must  
be designed, built and equipped to meet stringent anti-smog standards for the state of California and the federal government. Generac will warrant the emis-  
sion control system on your engine for the periods of time listed below provided there has been no abuse, neglect, unapproved modification or improper  
maintenance of your engine.  
Your emission control system may include parts such as the carburetor, ignition and exhaust systems. Generac will repair your engine at no cost to you  
for diagnosis, replacement parts and labor, should a warrantable condition occur.  
MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE:  
Emissions control systems on 1997 and later model year engines are warranted for two years as hereinafter noted. If, during such warranty period, any  
emission-related component or system on your engine is found to be defective in materials or workmanship, repairs or replacement will be performed by  
a Generac Authorized Warranty Service Facility.  
PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES:  
As the engine purchaser/owner, you are responsible for the completion of all required maintenance as listed in your factory supplied Owner’s Manual. For  
warranty purposes, Generac recommends that you retain all receipts covering maintenance on your engine. However, Generac cannot deny warranty solely  
because of the lack of receipts or for your failure to ensure the completion of all scheduled maintenance.  
As the engine purchaser/owner, you should, however, be aware that Generac may deny any and/or all warranty coverage or responsibility if your engine,  
or a part/component thereof, has failed due to abuse, neglect, improper maintenance or unapproved modifications, or the use of counterfeit and/or ‘grey  
market’ parts not made, supplied or approved by Generac.  
You are responsible for presenting your engine to a Generac Authorized Warranty Service Facility as soon as a problem  
occurs. The warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days.  
Warranty service can be arranged by contacting either your selling dealer or a Generac Authorized Warranty Service Facility. To locate the Generac  
Authorized Warranty Service Facility nearest you, call our toll-free number:  
1-800-333-1322  
IMPORTANT NOTE: This warranty statement explains your rights and obligations under the Emission Control System Warranty (ECS Warranty), which is  
provided to you by Generac pursuant to California and federal law. See also the “Generac Limited Warranties for Generac Power Systems, Inc.,” which  
is enclosed herewith on a separate sheet, also provided to you by Generac. The ECS Warranty applies only to the emission control system of your new  
engine. If there is any conflict in terms between the ECS Warranty and the Generac Warranty, the ECS Warranty shall apply except in circumstances where  
the Generac Warranty may provide a longer warranty period. Both the ECS Warranty and the Generac Warranty describe important rights and obligations  
with respect to your new engine.  
Warranty service can be performed only by a Generac Authorized Warranty Service Facility. When requesting warranty service, evidence must be presented  
showing the date of the sale to the original purchaser/owner. The purchaser/owner shall be responsible for any expenses or other charges incurred for  
service calls and/or transportation of the product to/from the inspection or repair facilities. The purchaser/owner also shall be responsible for any and/or  
all damages or losses incurred while the engine is being transported/shipped for inspection or warranty repairs.  
If you have any questions regarding your warranty rights and responsibilities, you should contact Generac at the following  
address:  
ATTENTION WARRANTY DEPARTMENT  
GENERAC POWER SYSTEMS, INC.  
P.O. BOX 297  
WHITEWATER, WI 53190  
Part 1  
56  
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Section 8 – Warranty  
Recreational Vehicle Generator  
EMISSION CONTROL SYSTEM WARRANTY  
Emission Control System Warranty (ECS Warranty) for 1997 and later model year engines:  
(a) Applicability: This warranty shall apply to 1997 and later model year engines. The ECS Warranty Period shall begin on the date the new engine or equip-  
ment is purchased by/delivered to its original, end-use purchaser/owner and shall continue for 24 consecutive months thereafter.  
(b) General Emissions Warranty Coverage: Generac warrants to the original, end-use purchaser/owner of the new engine or equipment, and to each subse-  
quent purchaser/owner, that each of its engines is ...  
(1) Designed, built and equipped so as to conform with all applicable regulations adopted by the EPA and CARB pursuant to their respective authority,  
and  
(2) Free from defects in materials and workmanship which, at any time during the ECS Warranty Period, may cause a warranted emissions-related part  
to fail to be identical in all material respects to the part as described in the engine manufacturer’s application for certification.  
(c) The ECS Warranty only pertains to emissions-related parts on your engine, as follows:  
(1) Any warranted, emissions-related parts that are not scheduled for replacement as required maintenance in the Owner’s Manual shall be warranted for  
the ECS Warranty Period. If any such part fails during the ECS Warranty Period, it shall be repaired or replaced by Generac according to Subsection (4)  
below. Any such part repaired or replaced under the ECS Warranty shall be warranted for the remainder of the ECS Warranty Period.  
(2) Any warranted, emissions-related part that is scheduled only for regular inspection as specified in the Owner’s Manual shall be warranted for the ECS  
Warranty Period. A statement in such written instructions to the effect of “repair or replace as necessary” shall not reduce the ECS Warranty Period.  
Any such part repaired or replaced under the ECS Warranty shall be warranted for the remainder of the ECS Warranty Period.  
(3) Any warranted, emissions-related part that is scheduled for replacement as required maintenance in the Owner’s Manual shall be warranted for the  
period of time prior to the first scheduled replacement point for that part. If the part fails prior to the first scheduled replacement, the part shall be  
repaired or replaced by Generac according to Subsection (4) below. Any such emissions-related part repaired or replaced under the ECS Warranty shall  
be warranted for the remainder of the ECS Warranty Period prior to the first scheduled replacement point for such emissions-related part.  
(4) Repair or replacement of any warranted, emissions-related part under this ECS Warranty shall be performed at no charge to the owner at a Generac  
Authorized Warranty Service Facility.  
(5) When the engine is inspected by a Generac Authorized Warranty Service Facility, the owner shall not be held responsible for diagnostic costs if the  
repair is deemed warrantable.  
(6) Generac shall be liable for damages to other original engine components or approved modifications proximately caused by a failure under warranty  
of any emission-related part covered by the ECS Warranty.  
(7) Throughout the ECS Warranty Period, Generac shall maintain a supply of warranted emission-related parts sufficient to meet the expected demand  
for such emission-related parts.  
(8) Any Generac authorized and approved emission-related replacement part may be used in the performance of any ECS Warranty maintenance or repairs  
and will be provided without charge to the purchaser/owner. Such use shall not reduce Generac’s ECS Warranty obligations.  
(9) Unapproved, add-on, modified, counterfeit and/or ‘grey market’ parts may not be used to modify or repair a Generac engine. Such use voids this ECS  
Warranty and shall be sufficient grounds for disallowing an ECS Warranty claim. Generac shall not be held liable hereunder for failures of any warranted  
parts of a Generac engine caused by the use of such an unapproved, add-on, modified, counterfeit and/or ‘grey market’ part.  
EMISSION RELATED PARTS INCLUDE THE FOLLOWING:  
*Generac engine types covered by this warranty statement include the following:  
1) Utility  
2) Lawn and Garden Equipment  
3) Recreational Vehicle (RV) Generator  
4) Industrial Mobile (IM) Generator  
Part 2  
1) Fuel Metering System:  
2) Air Induction System including:  
a) Intake pipe/manifold  
b) Air cleaner  
3) Ignition System including:  
a) Spark plug  
b) Ignition module  
1.1) Gasoline carburetor assembly and its  
internal components (if so equipped).  
a) Fuel filter (if so equipped)  
b) Carburetor gaskets  
c) Fuel pump (if so equipped)  
1.2) LPG carburetion assembly and its  
internal components (if so equipped).  
a) Fuel controller (if so equipped)  
4) Catalytic Muffler Assembly (if so equipped) including:  
a) Muffler gasket  
b) Exhaust manifold  
b) Mixer and its gaskets (if so equipped)  
c) Carburetor and its gaskets (if so equipped)  
d) Primary gas regulator (if so equipped)  
e) LP liquid vaporizer (if so equipped)  
5) Crankcase Breather Assembly including:  
a) Breather connection tube  
57  
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Section 8 – Warranty  
Recreational Vehicle Generator  
GENERAC POWER SYSTEMS’ THREE-YEAR LIMITED WARRANTY  
FOR GUARDIAN RECREATIONAL VEHICLE GENERATORS  
NOTE: ALL UNITS MUST BE INSTALLED BY GENERAC POWER SYSTEMS AUTHORIZED SERVICE FACILITIES. For a period of  
3 (three) years of operation from the date of original sale, Generac Power Systems, Inc. (Generac) will, at its option, repair or replace  
any part which, upon examination, inspection and testing by Generac or a Generac Authorized Warranty Service Facility, is found to  
be defective under normal use and service, in accordance with the warranty schedule set forth below. Any equipment that the pur-  
chaser/owner claims to be defective must be returned to and examined by the nearest Generac Authorized Warranty Service Facility.  
All transportation costs under the warranty, including return to the factory, are to be borne and prepaid by the purchaser/owner. This  
warranty applies only to Generac generators sold and rated for “Recreational Vehicle” (RV) applications, as Generac has defined  
Recreational Vehicle generator applications. The factory recommends exercising the unit one half-hour every month.  
WARRANTY SCHEDULE – COMMERCIAL APPLICATIONS  
YEAR ONE – 100% (one hundred percent) coverage on part(s), labor, removal and reinstallation listed:  
• Engine – All components  
• Alternator – All components  
WARRANTY SCHEDULE – CONSUMER/PERSONAL APPLICATIONS  
YEARS ONE AND TWO – 100% (one hundred percent) coverage on part(s), labor, removal and reinstallation listed:  
• Engine – All components  
• Alternator – All components  
YEAR THREE – 100% (one hundred percent) only on selected part(s) and labor listed [Any labor and part(s) not listed, and removal  
and reinstallation are the owner’s responsibility]:  
Rotor, Stator, Computer Control Board (part numbers 0A6060 and 0A3369) and inverter, (if applicable with regard to the generator)  
Cylinder Block, Cylinder Head, Crankshaft, Piston(s), Valve, Valve Lifter(s), Intake and Exhaust Manifolds  
Generac RV generators manufactured prior to December 31, 1997, DO NOT have a transferable warranty. Generac RV generators  
manufactured after January 1, 1998, have a transferable warranty to the second owner ONLY for the remainder of the three-year  
limited warranty. Proof-of-purchase is required and must be presented to a Generac Authorized Warranty Service Facility prior to  
the performance of any warranty service.  
All warranty expense allowances are subject to the conditions defined in Guardian’s Warranty Policies and Procedures Guide.  
THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING:  
• Generac Guardian generators that utilize non-Generac replacement parts.  
• Costs of normal maintenance, adjustments, installation and start-up.  
• Repairs or diagnostics performed by individuals other than Guardian/Generac authorized dealers not authorized in writing by  
Generac Power Systems.  
• Failures caused by any contaminated fuels, oils, coolants or lack of proper fluid amounts.  
• Failures due, but not limited, to normal wear and tear, accident, misuse, abuse, negligence or improper installation. As with all  
mechanical devices, the Generac engines need periodic part(s) service and replacement to perform well. This warranty will not  
cover repair when normal use has exhausted the life of a part(s) or engine.  
• Failures caused by any external cause or act of God, such as collision, theft, vandalism, riot or wars, nuclear holocaust, fire,  
freezing, lightning, earthquake, windstorm, hail, volcanic eruption, water or flood, tornado or hurricane.  
• Damage related to rodent and/or insect infestation.  
• Products that are modified or altered in a manner not authorized by Generac in writing.  
• Any incidental, consequential or indirect damages caused by defects in materials or workmanship, or any delay in repair or  
replacement of the defective part(s).  
• Failure due to misapplication.  
Telephone, cellular phone, facsimile, internet access or other communication expenses.  
• Living or travel expenses of person(s) performing service, except as specifically included within the terms of a specific unit war-  
ranty period.  
• Expenses related to "customer instruction" or troubleshooting where no manufacturing defect is found.  
• Rental equipment used while warranty repairs are being performed.  
• Overnight freight costs for replacement part(s).  
• Overtime labor.  
• Starting batteries, fuses, light bulbs and engine fluids.  
THIS WARRANTY IS IN PLACE OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED. SPECIFICALLY, GENERAC MAKES NO  
OTHER WARRANTIES AS TO THE MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow limita-  
tions on how long an implied warranty lasts, so the above limitation may not apply to you.  
GENERAC'S ONLY LIABILITY SHALL BE THE REPAIR OR REPLACEMENT OF PART(S) AS STATED ABOVE. IN NO EVENT SHALL  
GENERAC BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF SUCH DAMAGES ARE A DIRECT RESULT  
OF GENERAC'S NEGLIGENCE. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the  
above limitation may not apply to you.  
This warranty gives you specific legal rights. You also have other rights from state to state.  
GENERAC® POWER SYSTEMS, INC.  
P.O. BOX 297  
WHITEWATER, WI 53190  
Revision 02.05  
Part No. 0H3468  
Revision A (06/26/09)  
Printed in U.S.A.  
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