Generac Power Systems Portable Generator 004987 2 005396 0 User Manual

COMMERCIAL • INDUSTRIAL • RESIDENTIAL  
Owner’s  
Manual  
• Safety  
• Assembly  
• Operation  
• Maintenance  
• Troubleshooting  
• Electrical Data  
• Parts  
• Warranty  
FOR THE NEAREST  
AUTHORIZED SERVICE  
CENTER 1-800-333-1322  
MODELS:  
004987-2 (15,000 Watt)  
005396-0 (17,500 Watt)  
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We also strongly recommend instructing other users to properly  
start and operate the unit. This prepares them if they need to  
operate the equipment in an emergency.  
INTRODUCTION  
Thank you for purchasing this model by Generac Power Systems,  
Inc.® This model is a compact, high performance, air-cooled, engine  
driven generator designed to supply electrical power to operate  
electrical loads where no utility power is available or in place of utility  
due to a power outage.  
Always disconnect spark plug wires and place  
the wires where they cannot contact the spark  
READ THIS MANUAL THOROUGHLY  
If any portion of this manual is not understood, contact the nearest  
Authorized Dealer for starting, operating and servicing procedures.  
plugs to prevent accidental starting when  
setting up, transporting, adjusting or making  
repairs to the generator.  
The generator produces dangerously high voltage that can cause  
extremely hazardous electrical shock. Avoid contact with bare  
wires, terminals, etc. Never permit any unqualified person to  
operate or service the generator.  
Throughout this publication, and on tags and decals affixed to the  
generator, DANGER, WARNING, CAUTION and NOTE blocks are  
used to alert personnel to special instructions about a particular  
operation that may be hazardous if performed incorrectly or carelessly.  
Observe them carefully. Their definitions are as follows:  
Never handle any kind of electrical cord or device while standing  
in water, while barefoot or while hands or feet are wet. Dangerous  
electrical shock will result.  
DANGER  
The National Electric Code requires the frame and external  
electrically conductive parts of the generator be properly connected  
to an approved earth ground. Local electrical codes may also  
require proper grounding of the generator. Consult with a local  
electrician for grounding requirements in the area.  
After this heading, read instructions that, if  
not strictly complied with, will result in serious  
personal injury, including death and/or property  
damage.  
Use a ground fault circuit interrupter in any damp or highly  
conductive area (such as metal decking or steel work).  
After this heading, read instructions that, if not  
strictly complied with, may result in serious  
personal injury and/or property damage.  
Do not use worn, bare, frayed or otherwise damaged electrical  
cord sets with the generator.  
Operate generator only on level surfaces and where it will not be  
exposed to excessive moisture, dirt, dust or corrosive vapors.  
Gasoline is highly FLAMMABLE and its vapors are EXPLOSIVE.  
Do not permit smoking, open flames, sparks or heat in the vicinity  
while handling gasoline. Avoid spilling gasoline on a hot engine.  
Comply with all laws regulating storage and handling of gasoline.  
After this heading, read instructions that, if not  
strictly complied with, could result in damage to  
equipment and/or property.  
NOTE:  
Never add fuel while unit is running.  
Do not overfill the fuel tank. Always allow room  
After this heading, read explanatory statements that require  
special emphasis.  
for fuel expansion. If tank is over-filled, fuel can  
overflow onto a hot engine and cause FIRE or  
an EXPLOSION.  
These safety warnings cannot eliminate the hazards that they indicate.  
Common sense and strict compliance with the special instructions  
while performing the service are essential to preventing accidents.  
Never store generator with fuel in tank where gasoline vapors  
might reach an open flame, spark or pilot light (as on a furnace,  
water heater or clothes dryer). FIRE or EXPLOSION may result.  
Four commonly used safety symbols accompany the DANGER,  
WARNING and CAUTION blocks. The type of information each  
indicates is as follows:  
Generator exhaust gases contain DEADLY carbon monoxide gas.  
This dangerous gas, if breathed in sufficient concentrations, can  
cause unconsciousness or even death. Operate this equipment  
only in the open air where adequate ventilation is available.  
This symbol points out important safety  
information that, if not followed, could endanger  
Allow at least two (2) feet of clearance on all sides of generator or  
damage could be done to the unit. Never operate the unit inside  
any room or enclosure where the free flow of cooling air into and  
out of the unit might be obstructed. Review the “Cold Weather  
Operation” section.  
personal safety and/or property of others.  
This symbol points out potential explosion  
hazard.  
This symbol points out potential fire hazard.  
DANGER  
This symbol points out potential electrical shock  
hazard.  
NEVER operate the generator indoors, in an  
attached garage or near an open window.  
The operator is responsible for proper and safe use of the  
equipment. We strongly recommend that the operator read this  
manual and thoroughly understand all instructions before using  
the equipment.  
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IMPORTANT SAFETY INSTRUCTIONS  
SAVE THESE INSTRUCTIONS – The manufacturer suggests that these rules for safe operation be copied and posted near the unit's  
installation site. Safety should be stressed to all operators and potential operators of this equipment.  
Never start or stop the unit with electrical loads connected to  
receptacles AND with connected devices turned ON. Start  
the engine and let it stabilize before connecting electrical  
loads. Disconnect all electrical loads before shutting down the  
generator.  
DANGER  
Despite the safe design of this generator,  
operating this equipment imprudently,  
neglecting its maintenance or being careless  
can cause possible injury or death. Permit only  
responsible and capable persons to operate or  
maintain this equipment.  
Do not insert objects through unit's cooling slots.  
Neveroperategenerator: Indoorsorinanyenclosedcompartment;  
in rain; if connected electrical devices overheat; if electrical output  
is lost; if engine or generator sparks; if flames or smoke are  
observed while unit is running; if unit vibrates excessively.  
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.  
NOTE:  
This generator is equipped with a spark arrestor muffler. The  
spark arrestor must be maintained in effective working order by  
the owner/ operator. In the State of California, a spark arrestor is  
required by law (Section 4442 of the California Public Resources  
Code). Other states may have similar laws. Federal laws apply  
on federal lands.  
Parts of the generator are rotating and/or hot  
during operation. Exercise care near running  
generators.  
GENERAL HAZARDS  
  
Never operate in an enclosed area or indoors.  
Study these SAFETY RULES carefully before installing, operating or  
servicing this equipment. Become familiar with this Owner’s Manual  
and with the unit. The generator can operate safely, efficiently and  
reliably only if it is properly installed, operated and maintained. Many  
accidents are caused by failing to follow simple and fundamental rules  
or precautions.  
For safety reasons, the manufacturer recommends that the  
maintenance of this equipment is carried out by an Authorized  
Dealer.  
The engine exhaust fumes contain carbon monoxide, which  
can be DEADLY. This dangerous gas, if breathed in sufficient  
concentrations, can cause unconsciousness or even death. This  
exhaust system must be properly maintained. Do nothing that  
might render the exhaust system unsafe or in noncompliance with  
any local codes and/or standards.  
• WARNING:  
The engine exhaust from this product contains  
chemicals known to the state of California to cause  
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.  
• WARNING:  
This product contains or emits chemicals  
known to the state of California to cause  
cancer, birth defects or other reproductive harm.  
Adequate, unobstructed flow of cooling and ventilating air is critical  
to correct generator operation. Do not alter the installation or  
permit even partial blockage of ventilation provisions, as this can  
seriously affect safe operation of the generator. The generator  
MUST be operated outdoors.  
The manufacturer cannot anticipate every possible circumstance that  
might involve a hazard. The warnings in this manual, and on tags  
and decals affixed to the unit are, therefore, not all-inclusive. If using  
a procedure, work method or operating technique the manufacturer  
does not specifically recommend, satisfy yourself that it is safe for  
others. Make sure the procedure, work method or operating technique  
chosen does not render the generator unsafe.  
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  
Dealer for parts needing repair or replacement.  
Before performing any maintenance on the generator, disconnect  
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 dangerous  
operating conditions from leaking exhaust gases, fuel leakage, oil  
leakage, etc.  
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IMPORTANT SAFETY INSTRUCTIONS  
ELECTRICAL HAZARDS   
EXPLOSION HAZARDS   
Do not smoke around the generator. Wipe up any fuel or oil spills  
immediately. Ensure that no combustible materials are left on or  
near the generator, as FIRE or EXPLOSION may result. Keep the  
area surrounding the generator clean and free from debris.  
All generators covered by this manual produce dangerous electrical  
voltages and can cause fatal electrical shock. Utility power delivers  
extremely high and dangerous voltages as does the generator  
when it is in operation. Avoid contact with bare wires, terminals,  
connections, etc., while the unit is running. Ensure all appropriate  
covers, guards and barriers 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.  
Gasoline is extremely EXPLOSIVE.  
STANDARDS INDEX  
Do not handle any kind of electrical device while standing in water,  
while barefoot, or while hands or feet are wet. DANGEROUS  
ELECTRICAL SHOCK MAY RESULT.  
In the absence of pertinent standards, codes, regulations and laws,  
the published information listed below may be used as a guideline  
for operation of this equipment. Always reference the latest revision  
available for the standards listed.  
The National Electrical Code (NEC) requires the frame and external  
electrically conductive parts of the generator to be connected to an  
approved earth ground. Local electrical codes also may require  
proper grounding of the generator electrical system.  
1. NFPA No. 70, NFPA HANDBOOK OF NATIONAL ELECTRIC  
CODE.  
2. Article X, NATIONAL BUILDING CODE, available from the  
American Insurance Association, 85 John Street, New York, N.Y.  
10038.  
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 non-conducting implement,  
such as a rope or board, to free the victim from the live conductor.  
If the victim is unconscious, apply first aid and get immediate  
medical help.  
3. AGRICULTURAL WIRING HANDBOOK, available from the Food  
and Energy Council, 909 University Avenue, Columbia, MO  
65201.  
4. ASAE EP-3634, INSTALLATION AND MAINTENANCE OF FARM  
STANDBY ELECTRICAL SYSTEMS, available from the American  
Society of Agricultural Engineers, 2950 Niles Road, St. Joseph, MI  
49085.  
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.  
5. NFPA No. 30, FLAMMABLE AND COMBUSTIBLE LIQUIDS  
CODE.  
FIRE HAZARDS   
For fire safety, the generator must be operated and maintained  
properly. Operation must always 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  
operated in accordance with the manufacturer’s instructions and  
recommendations. Do not alter the construction of the generator  
or change controls which might create an unsafe operating  
condition.  
Keep a fire extinguisher near the generator at all times.Extinguishers  
rated “ABC” by the National Fire Protection Association are  
appropriate for use on the standby electric system. Keep the  
extinguisher properly charged and be familiar with its use. If there  
are any questions pertaining to fire extinguishers, consult the local  
fire department.  
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Section 1 – General Information  
1.1 UNPACKING  
1.2 ASSEMBLY  
The generator requires some assembly prior to using it. If problems  
arise when assembling the generator, please call the Generator  
Helpline at 1-800-333-1322.  
Set the palleted carton on a rigid flat surface.  
Remove staples along bottom of carton that fasten carton to pallet.  
Open carton from top.  
Remove all packaging material.  
Remove separate accessory box.  
Lift carton off the generator.  
1.2.1 ASSEMBLING THE WHEEL KIT  
The wheel kit is designed to greatly improve the portability of the  
generator. A socket wrench with a 9/16” socket, a 1/2” socket, a  
1/2” wrench and a pair of pliers are the tools that will be needed for  
assembly of the wheel kit.  
Remove generator from shipping pallet by removing bolts through  
the shipping brackets (Figure 1).  
Figure 1 - Bracket Removal  
NOTE:  
The wheel kit is not intended for over-the-road use.  
Refer to Figure 2 and install the wheel kit as follows:  
Place the generator on a hard flat surface.  
Stand at the engine end of the unit and gently tilt the generator  
forward, high enough to place wooden blocks beneath the cradle.  
This will allow space to install the wheel assemblies.  
Shipping  
Bracket (x4)  
Attach an axle bracket assembly with attached sleeve to either side  
of the frame. Ensure the sleeve faces outward.  
Slide the axle through the sleeves on the axle brackets.  
Slide one wheel with flat washer to the outside and a spacer to the  
inside onto each end of the axle. Make sure the air inflation valve  
on the wheel is facing outward.  
Insert retaining pins and using pliers, bend out the ends to prevent  
the pins from falling out of the axle. Remove the wooden blocks.  
1.2.2 ASSEMBLING THE HANDLE  
Attach the handle by aligning one side of the handle on the cradle,  
then spread the handle around the cradle and let it spring into  
place. Secure the handle to the frame using the 5/16’ hex head  
bolts provided. Check each fastener to ensure that it is secure.  
1.1.1 ACCESSORY BOX  
Check all contents. If any parts are missing or damaged locate an  
authorized dealer at 1-800-333-1322.  
Using the handle, lift the unit high enough to place wooden blocks  
under the unit. Attach the front support foot to the underside of the  
cradle using the 3/8” carriage bolts provided.  
Contents include:  
Wheel Axle  
Bolt-on tubular handle  
2 – Pneumatic Wheels  
2 – Axle Bracket Assemblies  
Bolt-on Foot  
Remove the shipping brackets from the cradle, if it has not already  
been done.  
2 – Washers  
2 – Wheel Spacers  
2 – Cotter Pins  
2 – Spark Plugs  
Air Filter  
Spark Plug Wrench  
Oil Filter  
Pre-cleaner  
Battery Charge Cable  
6 – Carriage Bolts, Washers, Nuts  
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Section 1 - General Information  
Figure 2 - Handle Assembly  
Figure 3 - Battery Connections  
1.2.3 BATTERY CONNECTION  
The battery shipped with the generator has been provided fully  
charged. Caution must be taken when connecting the battery.  
Positive  
Cable  
Negative  
Cable  
NOTE:  
A battery may lose some of it’s charge when not in use for  
prolonged periods of time.  
Cut the tie wrap cable holding the RED and BLACK battery cables  
to the stator.  
Connect the RED battery cable to the battery Positive terminal (+).  
After making sure that the connection is tight, slip the rubber boot  
over the terminal connection.  
Connect the BLACK battery cable to the battery Negative terminal  
(–). Make sure the connection is tight.  
Double check all connections to ensure they are in the correct  
location and secure. See Figure 3.  
5  
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Section 2 – Operation  
Figure 5 - Generator Controls  
2.1 KNOW THE GENERATOR  
Read the Owner’s Manual and Safety Rules before operating this  
generator.  
11  
Compare the generator to Figures 4 through 6 to become familiarized  
with the locations of various controls and adjustments. Save this  
manual for future reference.  
7
Figure 4 - Control Panel  
12  
15  
10.Circuit Breakers (AC) – Each receptacle is provided with a push-  
to-reset circuit breaker to protect the generator against electrical  
overload. (50 amp uses toggle reset)  
11.Fuel Tank Tank holds 16 U.S. gallons of fuel.  
12.Grounding Lug – Ground the generator to an approved earth  
ground here. See "Grounding the Generator" for details.  
13.Idle Control Switch – The idle control runs the engine at normal  
(high) speeds when there is an electrical load present and runs  
the engine at idle (low) speeds when a load is not present.  
14.Start/Run/Stop Switch – Controls the operation of the  
generator.  
1. 12 Volt DC, 10 Amp Receptacle – This receptacle allows the  
capability to recharge a 12 volt DC storage battery with provided  
battery charge cables.  
15.Oil Fill – Use this point to add oil to engine.  
16.Fuse - 10 Amp (Located at rear of control panel) – Protects the  
DC control circuit from overload. If this fuse element has melted  
open the engine will not be able to crank and start.  
2. 120 Volt AC, 20 Amp, Duplex Receptacle – Supplies electrical  
power for the operation of 120 Volt AC, 20 Amp, single-phase, 60  
Hz electrical lighting, appliance, tool and motor loads.  
3. 120 Volt AC, 20A Duplex GFCI Receptacle – Supplies ground  
fault protected electrical power for operation of 120 volt AC 20  
amp, single-phase, 60 Hz electric lighting, appliances, tools and  
motor loads.  
Figure 6 - Engine Control Panel  
4. 120 Volt AC, 30 Amp Locking Receptacle – Supplies electrical  
power for the operation of 120 Volt AC, 30 Amp, single-phase, 60  
Hz electrical lighting, appliance, tool and motor loads.  
5. 120/240 Volt AC, 30 Amp Locking Receptacle – Supplies  
electrical power for the operation of 120 and/or 240 Volt AC, 30  
Amp, single-phase, 60 Hz, electrical lighting, appliance, tool and  
motor loads.  
6. 120/240 Volt AC, 50 Amp Receptacle (Located on underside  
of control panel)– Supplies electrical power for the operation of  
120/240 Volt AC, 50 Amp, single-phase, 60 Hz, welder or motor  
loads.  
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14  
9
7. Air Cleaner – Filters intake air as it is drawn into the engine.  
8. Choke Knob – Used when starting a cold engine.  
9. Winter/Summer Valve – See “Cold Weather Operation/De-icer”  
section.  
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Section 2 – Operation  
Figure 8 - 120 VAC, 20 Amp GFCI Receptacle  
2.2 CORD SETS AND CONNECTION PLUGS  
2.2.1 120 VAC, 20 AMP, DUPLEX RECEPTACLE  
This is a 120 Volt outlet protected against overload by a 20 Amp  
push-to-reset circuit breaker (Figure 7). Use each socket to power  
120 Volt AC, single phase, 60 Hz electrical loads requiring up to a  
combined 2400 watts (2.4 kW) or 20 Amps of current. Use only high  
quality, well-insulated, 3-wire grounded cord sets rated for 125 Volts  
at 20 Amps (or greater).  
Keep extension cords as short as possible, preferably less than 15  
feet long, to prevent voltage drop and possible overheating of wires.  
Figure 7 - 120 Volt AC, 20 Amp, Duplex Receptacle  
Testing the GFCI: Test the GFCI outlet every month as follows:  
Plug a test lamp into the receptacle.  
Start the generator, the test lamp should be on.  
Press the “Test” button located on the front of the receptacle to  
trip the device.  
This should stop the flow of electricity making the lamp shut off.  
The yellow trip indicator should now be on.  
To restore the flow of electricity, press the “Reset” button on the  
front of the receptacle. If the GFCI does not perform in this manner,  
do not use the receptacle. Contact a local service dealer.  
This outlet is protected against overload by a 20A push-to-reset  
circuit breaker. Use the outlet to power 120V AC, single-phase,  
60 Hz, electrical loads requiring up to a combined 2400 watts (2.4  
kW) or 20 amps of current.  
2.2.2 120 VAC, 20 AMP, GFCI RECEPTACLE  
This unit is equipped with a ground fault circuit interrupter (GFCI).This  
device meets applicable federal, state and local codes (Figure 8).  
2.2.3 120 VAC, 30 AMP RECEPTACLE  
A GFCI receptacle is different from conventional receptacles. In the  
event of a ground fault, a GFCI will trip and quickly stop the flow of  
electricity to prevent serious injury.  
Use a NEMA L5-30 plug with this receptacle. Connect a 3-wire cord  
set rated for 125 Volts AC at 30 Amps (or greater) to the plug (Figure  
9).  
Definition: Instead of following its normal safe path, electricity passes  
through a persons body to reach the ground. For example, a defective  
appliance can cause a ground fault.  
Figure 9 - 120 VAC, 30 Amp Receptacle  
A GFCI receptacle does NOT protect against circuit overloads, short  
circuits, or shocks. For example, electric shock can still occur if a  
person touches charged electrical wires while standing on a non-  
conducting surface, such as a wood floor.  
7  
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Section 2 – Operation  
Use this receptacle to operate 120 Volt AC, 60 Hz, single phase loads  
requiring up to 3600 watts (3.6 kW) of power at 30 Amps. The outlet  
is protected by a 30 Amp push-to-reset circuit breaker.  
Figure 12 - 120/240 VAC, 50 Amp Receptacle  
2.2.4 120/240 VAC, 30 AMP RECEPTACLE  
Use a NEMA L14-30 plug with this receptacle. Connect a suitable 4-  
wire grounded cord set to the plug and to the desired load. The cord  
set should be rated for 250 Volts AC at 30 Amps (or greater) (Figure  
10).  
Figure 10 - 120/240 VAC, 30 Amp Receptacle  
50 A  
Use this receptacle to operate 120/240 Volt AC, 60 Hz electrical loads  
requiring up to 12,000 watts (12.0 kW) of power. This receptacle is  
protected by a 50 Amp 2-pole circuit breaker.  
2.3 HOW TO USE THE GENERATOR  
If there are any problems operating the generator, please call the  
generator helpline at 1-800-333-1322.  
2.3.1 GROUNDING THE GENERATOR  
The National Electrical Code requires that the frame and external  
electrically conductive parts of this generator be properly  
connected to an approved earth ground (Figure 13). Local  
electrical codes may also require proper grounding of the unit. For  
that purpose, generally, connecting a No. 10 AWG (American Wire  
Gauge) stranded copper wire to the grounding wing nut and to an  
earth-driven copper or brass grounding rod (electrode) provides  
adequate protection against electrical shock. However, local codes  
may vary widely. Consult with a local electrician for grounding  
requirements in the area.  
Use this receptacle to operate 120 Volt AC, 60 Hz, single phase loads  
requiring up to 3600 watts (3.6 kW) of power at 30 Amps or 240 Volt  
AC, 60 Hz, single phase loads requiring up to 7200 watts (7.2 kW)  
of power at 30 Amps. The outlet is protected by two 30 Amp push-to-  
reset circuit breakers.  
2.2.5 12 VOLT DC, 10 AMP RECEPTACLE  
This receptacle permits recharging a 12-Volt automotive or utility style  
storage battery with the battery charge cables provided (Figure 11).  
This receptacle can not recharge 6-Volt batteries and can not be  
used to crank an engine having a discharged battery. See the section  
"Charging a Battery" before attempting to recharge a battery.  
Figure 13 - Grounding the Generator  
Figure 11 - 12 Volt DC, 10 Amp Receptacle  
Generator Ground Lug  
2.2.6 120/240 VAC, 50 AMP RECEPTACLE  
Use a NEMA 14-50 plug with this receptacle. Connect a 4-wire cord  
set rated for 250 Volts AC at 50 Amps to the plug (Figure 12).  
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Section 2 – Operation  
Proper grounding of the generator will help prevent electrical  
shock in the event of a ground fault condition in the generator or in  
connected electrical devices. Proper grounding also helps dissipate  
static electricity, which often builds up in ungrounded devices.  
2.5 WATTAGE REFERENCE GUIDE  
Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Running Watts  
*Air Conditioner (12,000 Btu) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1700  
*Air Conditioner (24,000 Btu) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3800  
*Air Conditioner (40,000 Btu) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6000  
Battery Charger (20 Amp). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500  
Belt Sander (3") . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000  
Chain Saw. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200  
Circular Saw (6-1/2"). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .800 to 1000  
*Clothes Dryer (Electric) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5750  
*Clothes Dryer (Gas). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700  
*Clothes Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1150  
Coffee Maker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1750  
*Compressor (1 HP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000  
*Compressor (3/4 HP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800  
*Compressor (1/2 HP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1400  
Curling Iron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700  
*Dehumidifier. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650  
Disc Sander (9") . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200  
Edge Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500  
Electric Blanket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400  
Electric Nail Gun. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200  
Electric Range (per element) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1500  
Electric Skillet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250  
*Freezer . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..700  
*Furnace Fan (3/5 HP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 875  
*Garage Door Opener. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .500 to 750  
Hair Dryer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200  
Hand Drill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250 to 1100  
Hedge Trimmer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450  
Impact Wrench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500  
Iron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200  
*Jet Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800  
Lawn Mower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1200  
Light Bulb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100  
Microwave Oven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .700 to 1000  
*Milk Cooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1100  
Oil Burner on Furnace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300  
Oil Fired Space Heater (140,000 Btu) . . . . . . . . . . . . . . . . . . . . . . . . 400  
Oil Fired Space Heater (85,000 Btu) . . . . . . . . . . . . . . . . . . . . . . . . . 225  
Oil Fired Space Heater (30,000 Btu) . . . . . . . . . . . . . . . . . . . . . . . . . 150  
*Paint Sprayer, Airless (1/3 HP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600  
Paint Sprayer, Airless (handheld) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150  
Radio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 to 200  
*Refrigerator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700  
Slow Cooker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200  
*Submersible Pump (1-1/2 HP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2800  
*Submersible Pump (1 HP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2000  
*Submersible Pump (1/2 HP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1500  
*Sump Pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .800 to 1050  
*Table Saw (10") . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1750 to 2000  
Television . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200 to 500  
Toaster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1000 to 1650  
Weed Trimmer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500  
* Allow 3 times the listed watts for starting these devices.  
2.3.2 CONNECTING ELECTRICAL LOADS  
DO NOT connect 240 Volt loads to 120 Volt receptacles. DO NOT  
connect 3-phase loads to the generator. DO NOT connect 50 Hz loads  
to the generator.  
Let engine stabilize and warm up for a few minutes after starting.  
Plug in and turn on the desired 120 or 240 Volt AC, single phase,  
60 Hz electrical loads.  
Add up the rated watts (or amps) of all loads to be connected  
at one time. This total should not be greater than (a) the rated  
wattage/amperage capacity of the generator or (b) circuit breaker  
rating of the receptacle supplying the power. See "Don't Overload  
the Generator" below.  
2.4 DON’T OVERLOAD THE GENERATOR  
Overloading a generator in excess of its rated wattage capacity can  
result in damage to the generator and to connected electrical devices.  
Observe the following to prevent overloading the unit:  
Add up the total wattage of all electrical devices to be connected  
at one time. This total should NOT be greater than the generator's  
wattage capacity.  
The rated wattage of lights can be taken from light bulbs.The rated  
wattage of tools, appliances and motors can usually be found on a  
data label or decal affixed to the device.  
If the appliance, tool or motor does not give wattage, multiply volts  
times ampere rating to determine watts (volts x amps = watts).  
Some electric motors, such as induction types, require about three  
times more watts of power for starting than for running. This surge  
of power lasts only a few seconds when starting such motors.  
Make sure to allow for high starting wattage when selecting  
electrical devices to connect to the generator:  
1. Figure the watts needed to start the largest motor.  
2. Add to that figure the running watts of all other connected loads.  
The Wattage Reference Guide is provided to assist in determining  
how many items the generator can operate at one time.  
NOTE:  
All figures are approximate. See data label on appliance for  
wattage requirements.  
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Section 2 – Operation  
2.6.2 ADDING GASOLINE  
2.6 BEFORE STARTING THE GENERATOR  
Prior to operating the generator, engine oil and gasoline will need to  
be added, as follows:  
Never fill fuel tank indoors. Never fill fuel tank  
2.6.1 ADDING ENGINE OIL  
when engine is running or hot. DO NOT light a  
cigarette or smoke when filling the fuel tank.  
NOTE:  
When adding oil to the engine crankcase in the future, use only  
high quality detergent oil rated with API service classification  
SG, SH or SL. Use no special additives.  
Do not overfill the fuel tank. Always leave room  
for fuel expansion.  
To reduce lead and carbon deposits use high quality UNLEADED  
gasoline with the generator engine. Leaded REGULAR grade  
gasoline is an acceptable substitute. Do not use premium gasoline.  
Do not mix oil with gasoline.  
SAE 30  
10W-30  
Clean area around fuel fill cap, remove cap.  
Slowly add unleaded regular gasoline to fuel tank. Be careful not  
to overfill. Allow about 1/2" of tank space for fuel expansion, as  
shown in Figure 14.  
Syntthetiic 5W-30  
Install fuel cap and wipe up any spilled gasoline.  
Figure 14 - Fuel Tank  
Although multi-viscosity oils (5W-30, 10W-30, etc.) improve starting  
in cold weather, these multi-viscosity oils will result in increased oil  
consumption when used above 32°F. Check the engine oil level more  
frequently to avoid possible damage from running low on oil.  
Place generator on a level surface.  
Clean area around oil fill and remove oil fill cap and dipstick.  
Wipe dipstick clean.  
Slowly fill engine with oil through the oil fill opening until it reaches  
the full mark on the dipstick. Stop filling occasionally to check oil  
level. DO NOT OVERFILL.  
IMPORTANT: It is important to prevent gum deposits from forming  
in fuel system parts such as the carburetor, fuel hose or tank during  
storage. Alcohol-blended fuels (called gasohol, ethanol or methanol)  
can attract moisture, which leads to separation and formation of acids  
during storage. Acidic gas can damage the fuel system of an engine  
while in storage. To avoid engine problems, the fuel system should  
be emptied before storage of 30 days or longer. See the "Storage"  
section. Never use engine or carburetor cleaner products in the fuel  
tank as permanent damage may occur.  
Install dipstick. Install oil fill cap and finger tighten securely.  
Check engine oil level before starting each time thereafter.  
The manufacturer does not recommend using  
any gasoline containing alcohol (such as  
“gasohol”). If using any gasoline containing  
alcohol, it must not contain more than 10  
percent ethanol, and it must be removed from  
the generator during storage. Do NOT use any  
gasoline containing methanol. If using gasoline  
with alcohol, inspect more frequently for fuel  
leaks and other abnormalities.  
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Section 2 – Operation  
Move engine CHOKE knob outward to “Full Choke” position  
(Figure 17).  
2.7 TO START THE ENGINE  
Figure 17 - Full Choke Position  
Never start or stop engine with electrical devices plugged  
into the receptacles AND devices turned on.  
Unplug all electrical loads from the unit's receptacles before  
starting the engine.  
Make sure the unit is in a level position.  
Open the fuel shut-off valve (Figure 15).  
Figure 15 - Fuel Shut-off Valve  
To start engine, press and hold the Start/Run/Stop switch in the  
“Start” position. The engine will crank and attempt to start. When  
the engine starts, release the switch to the run position.  
When the engine starts, move choke knob to “1/2 Choke” position  
until the engine runs smoothly and then fully in to the “Run” position.  
If engine falters, move choke knob back out to “1/2 Choke” position  
until the engine runs smoothly and then to “Run” position.  
NOTE:  
Locate the Idle Control ON/OFF switch on the control panel and  
set it to the “OFF” position (Figure 16).  
If engine fires, but does not continue to run, move choke lever to  
“Full Choke” and repeat starting instructions.  
IMPORTANT: Do not overload the generator. Also, do not overload  
individual panel receptacles. These outlets are protected against  
overload with push-to-reset-type circuit breakers. If amperage rating  
of any circuit breaker is exceeded, that breaker opens and electrical  
output to that receptacle is lost. Read “Don’t Overload the Generator”  
carefully.  
Figure 16 - Idle Control Switch  
2.8 STOPPING THE ENGINE  
Shut off all loads, then unplug the electrical loads from generator  
panel receptacles. Never start or stop the engine with electrical  
devices plugged in and turned on.  
Turn “Off” the Idle Control switch (if on).  
Let engine run at no-load for several minutes to stabilize the  
internal temperatures of engine and generator.  
Move Start/Run/Stop switch to “Off” position.  
Close fuel valve.  
11  
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Section 2 – Operation  
2.9 AUTOMATIC IDLE CONTROL  
2.12 CHARGING A BATTERY  
This feature is designed to greatly improve fuel economy. When  
this switch is turned “On,” the engine will only run at its normal fast  
governed engine speed when electrical load is connected. When  
the load is removed, the engine will run at a reduced speed of 2100  
RPM. With the switch “Off,” the engine runs at the normal fast engine  
speed all the time. Always have the switch OFF when starting and  
stopping the engine.  
DANGER  
Storage batteries give off explosive hydrogen  
gas while recharging. An explosive mixture will  
remain around the battery for a long time after  
it has been charged. The slightest spark can  
ignite the hydrogen and cause an explosion.  
Such an explosion can shatter the battery and  
cause blindness or other serious injury.  
2.10 COLD WEATHER OPERATION/ DE-ICER  
Under certain weather conditions (temperatures below 40° F (4°  
C) and a high dew point), the engine may experience icing of the  
carburetor and/or the crankcase breather system. To eliminate this  
problem, this generator engine is fitted with a winter/summer valve.  
This directs hot air into the carburetor during cold weather operation.  
Always make sure the winter/summer valve is in the correct location  
relative to the weather conditions.  
DANGER  
Do not permit smoking, open flame, sparks  
or any other source of heat around a battery.  
Wear protective goggles, rubber apron and  
rubber gloves when working around a battery.  
Battery electrolyte fluid is an extremely caustic  
sulfuric acid solution that can cause severe  
burns. If spill occurs flush area with clear water  
immediately.  
2.11 LOW OIL PRESSURE SHUTDOWN  
SYSTEM  
This generator has the capability of recharging a discharged 12 Volt  
automotive or utility style storage battery. Do not use the unit to  
charge any 6Volt batteries. Do not use the unit to crank an engine  
having a discharged battery.  
The engine is equipped with a low oil pressure sensor that shuts down  
the engine automatically when the oil pressure drops below 10 psi. If  
the engine shuts down by itself and the fuel tank has enough gasoline,  
check engine oil level.  
This battery charger is a pulse type designed to provide a quality  
charge current into the battery. The voltage measured at the outlet  
should be 8-12 VDC. This is normal and does not indicate a faulty  
charging system.  
2.11.1 INITIAL START-UP  
A delay built into the low oil shutdown system allows oil pressure to  
build during starting. The delay allows the engine to run for about 10  
seconds before sensing oil pressure.  
To recharge 12 Volt batteries, proceed as follows:  
Check fluid level in all battery cells. If necessary, add ONLY distilled  
water to cover separators in battery cells. Do not use tap water.  
2.11.2 SENSING LOW OIL PRESSURE  
If the battery is equipped with vent caps, make sure they are  
installed and are tight.  
If the system senses low oil pressure during operation, the engine  
shuts down.  
If necessary, clean battery terminals.  
Connect battery charge cable connector plug to panel receptacle  
identified by the words "12-VOLT D.C."  
2.11.3 RESTARTING  
If trying to restart the engine within 10 seconds after it shuts down,  
the engine may NOT start. The system needs five (5) to 10 seconds  
to reset.  
Connect battery charge cable clamp with red handle to the positive  
(+) battery terminal.  
Connect battery charge cable clamp with black handle to the  
negative (-) battery terminal.  
If the engine is restarted after such a shutdown and the low oil  
pressure has not been corrected, the engine will run for about 10  
seconds as described above and then stop.  
Start engine. Let the engine run while battery recharges. Engine  
idle control switch must be in off position for battery charging.  
When battery has charged, shut down engine.  
NOTE:  
Use an automotive hydrometer to test battery state of charge and  
condition. Follow the hydrometer manufacturer's instructions  
carefully. Generally, a battery is considered to be at 100% state  
of charge when specific gravity of its fluid (as measured by  
hydrometer) is 1.260 or higher.  
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Section 3 — Maintenance  
3.2.2 ENGINE SPECIFICATIONS  
3.1 MAINTENANCE SCHEDULE  
Follow the calendar intervals. More frequent service is required when  
operating in adverse conditions noted below.  
Rated Horsepower @ 3600 RPM  
Displacement  
30  
992cc  
Spark Plug Type  
Spark Plug Gap  
Gasoline Capacity  
Oil Type  
Champion RC14YC or Equivalent  
0.040 inch or (1.01 mm)  
16 U.S. gallons  
Maintenance  
Daily  
Every Season  
Check Oil Level  
Service Air Pre-Cleaner  
Change Oil and Oil Filter‡  
**  
*  
Summer – SAE 30, Winter –  
5W-30 Synthetic or 10W-30  
Clean Spark Arrestor  
Screen  
Oil Capacity  
w/ Filter Change = 1.7 Qts., w/o  
Filter Change = 1.4 Qts.  
Check Valve Clearance  
Service Air Cleaner  
Replace Spark Plugs  
***  
**  
Run Time/Fuel Consumption-1/2  
Load  
10 Hours / 1.6 gallons per hour  
*
Change oil after first 8 hours of operation then every season.  
3.3 GENERAL RECOMMENDATIONS  
The warranty of the generator does not cover items that have been  
subjected to operator abuse or negligence. To receive full value from  
the warranty, the operator must maintain the generator as instructed  
in this manual.  
Change oil and oil filter every month when operating under heavy load  
or in high temperatures.  
** Clean more often under dirty or dusty operating conditions. Replace  
air cleaner parts if very dirty.  
*** Check valve clearance and adjust if necessary after first 50 hours of  
operation and every 100 hours thereafter.  
Some adjustments will need to be made periodically to properly  
maintain the generator.  
All adjustments in the Maintenance section of this manual should  
be made at least once each season. Follow the requirements in the  
"Maintenance Schedule" chart.  
3.2 PRODUCT SPECIFICATIONS  
3.2.1 GENERATOR SPECIFICATIONS  
NOTE:  
MODEL  
15 KW  
15.0 kW  
22.5 kW  
120/240  
17.5 KW  
17.5 kW  
26.25 kW  
120/240  
Once a year, replace the spark plug and replace the air filter. A  
new spark plug and clean air filter assure proper fuel-air mixture  
and help the engine run better and last longer.  
Rated Max. Power  
Surge Power  
Rated AC Voltage  
Rated Max AC Load  
Current @ 240V  
Current @ 120V  
Rated Frequency  
Phase  
3.3.1 GENERATOR MAINTENANCE  
Generator maintenance consists of keeping the unit clean and dry.  
Operate and store the unit in a clean dry environment where it will not  
be exposed to excessive dust, dirt, moisture or any corrosive vapors.  
Cooling air slots in the generator must not become clogged with snow,  
leaves, or any other foreign material.  
62.5 Amps  
125.0 Amps  
72.9 Amps  
145.8 Amps  
60 Hz @ 3600 RPM  
Single Phase  
12 Volts  
60 Hz @ 3600 RPM  
Single Phase  
12 Volts  
Check the cleanliness of the generator frequently and clean when  
dust, dirt, oil, moisture or other foreign substances are visible on its  
exterior surface.  
Rated DC Voltage  
Rated Max DC Load  
Current @ 12 Volts  
10 Amperes  
10 Amperes  
Never insert any object or tool through the air  
cooling slots, even if the engine is not running.  
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Section 3 — Maintenance  
NOTE:  
Coat gasket of new filter with clean engine oil. Turn filter clockwise  
until gasket contacts lightly with filter adapter. Then tighten an  
additional 3/4 turn.  
DO NOT use a garden hose to clean generator. Water can enter  
the engine fuel system and cause problems. In addition, if water  
enters the generator through cooling air slots, some water will  
be retained in voids and crevices of the rotor and stator winding  
insulation. Water and dirt buildup on the generator internal  
windings will eventually decrease the insulation resistance of  
these windings.  
Fill oil sump with recommended oil. (See “Before Starting the  
Generator” for oil recommendations).  
Wipe up any spilled oil.  
3.3.6 REPLACING THE SPARK PLUG  
Use Champion RC14YC spark plug or equivalent. The correct air gap  
is 1.01 mm (0.040 in.). Replace the plug once each year. This will  
help the engine start easier and run better.  
3.3.2 TO CLEAN THE GENERATOR  
Use a damp cloth to wipe exterior surfaces clean.  
1. Stop the engine and pull the spark plug wire off of the spark  
plug.  
A soft, bristle brush may be used to loosen caked on dirt, oil, etc.  
A vacuum cleaner may be used to pick up loose dirt and debris.  
2. Clean the area around the spark plug and remove it from the  
cylinder head.  
Low pressure air (not to exceed 25 psi) may be used to blow away  
dirt. Inspect cooling air slots and openings on the generator. These  
openings must be kept clean and unobstructed.  
3. Set the spark plug's gap to 1.01 mm (0.040 in.). Install the correctly  
gapped spark plug into the cylinder head.  
3.3.3 ENGINE MAINTENANCE  
Figure 18 - Spark Plug Gap  
DANGER  
When working on the generator, always  
disconnect negative cable from battery. Also  
disconnect spark plug wires from spark plug  
and keep wire away from spark plug.  
3.3.4 CHECKING OIL LEVEL  
See the “BEFORE STARTING THE GENERATOR” section for  
information on checking the oil level. The oil level should be checked  
before each use, or at least every eight hours of operation. Keep the  
oil level maintained.  
3.4 SERVICE AIR CLEANER  
The engine will not run properly and may be damaged if using a dirty  
air cleaner. Clean or replace the air cleaner paper filter once a year.  
Clean or replace more often if operating under dusty conditions. Clean  
foam pre-cleaner every month or more often under dusty conditions.  
3.3.5 CHANGING THE OIL AND OIL FILTER  
Change the oil and filter after the first eight hours of operation.  
Change the oil every 200 hours thereafter. If running this unit under  
dirty or dusty conditions, or in extremely hot weather, change the oil  
more often.  
Figure 19 - Air Cleaner  
Cover  
NOTE:  
Whenever possible, run engine for approximately 5 minutes to  
get the engine oil hot. This will aid in draining the oil.  
Pre-Cleaner  
Use the following instructions to change the oil while the engine  
is still warm:  
Clean area around oil drain hose and plug.  
Remove oil drain plug from end of hose and oil fill plug to drain oil  
completely into a suitable container.  
Base  
When oil has completely drained, install oil drain plug and tighten  
securely.  
Filter  
Place a suitable container beneath the oil filter and turn  
filter counterclockwise to remove. Discard according to local  
regulations.  
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Section 3 — Maintenance  
To clean or replace foam pre-cleaner:  
3.6 ADJUSTING VALVE CLEARANCE  
After the first 50 hours of operation, check the valve clearance in  
the engine and adjust if necessary.  
Remove air cleaner cover, then foam pre-filter.  
Wash pre-cleaner in soapy water. Squeeze pre-filter dry in clean  
cloth (DO NOT TWIST).  
Important: If feeling uncomfortable about doing this procedure or  
the proper tools are not available, please take the generator to the  
nearest service center to have the valve clearance adjusted. This is a  
very important step to insure longest life for the engine.  
Clean air cleaner cover before re-installing it.  
To clean or replace paper air filter:  
Remove air cleaner cover; then remove foam pre-filter (service if  
necessary) and remove paper filter.  
To check valve clearance:  
Clean paper 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.  
Make sure the engine is at room temperature (60° - 80° F).  
Make sure that the spark plug wire is removed from the spark plug  
and out of the way.  
Clean air cleaner cover then slip pre-cleaner over filter. Next insert  
new paper filter into the base of the air cleaner. Re-install air  
cleaner cover.  
Remove the four screws attaching the valve cover.  
Make sure the piston is at Top Dead Center (TDC) of its  
compression stroke (both valves closed). To get the piston at  
TDC, remove the intake screen at the front of the engine to gain  
access to the flywheel nut. Use a large socket and socket wrench  
to rotate the nut and hence the engine in a clockwise direction  
while watching the piston through the spark plug hole. The piston  
should move up and down. The piston is at TDC when it is up as  
high as it can go.  
NOTE:  
To order a new air filter, please contact the nearest authorized  
service center at 1-800-333-1322.  
3.5 CLEAN SPARK ARRESTOR SCREEN  
The engine exhaust muffler has a spark arrestor screen. Inspect and  
clean the screen at least once each year (Figure 20). If unit is used  
regularly, inspect and clean more often.  
Insert a 0.002 - 0.004 inch (0.05 - 0.1mm) feeler gauge between  
the rocker arm and valve stem. Correct clearance is when a slight  
drag is felt when sliding the gauge back and forth. If the clearance  
is either excessively loose or tight the rocker arms will need  
adjusting.  
NOTE:  
If using the generator on any forest-covered, brush-covered  
or grass-covered unimproved land, it must equipped with a  
spark arrestor. The spark arrestor must be maintained in good  
condition by the owner/operator.  
To adjust valve clearance:  
Loosen the rocker jam nut (Figure 21). Use an 10mm allen wrench  
to turn the pivot ball stud while checking clearance between  
the rocker arm and the valve stem with a feeler gauge. Correct  
clearance is 0.002-0.004 inch (0.05-0.1 mm).  
Clean and inspect the spark arrestor as follows:  
Remove the screen retaining bracket by removing the screw.  
Slide the spark arrestor screen out from the tail pipe.  
Figure 21 - Valve Clearance Adjustment  
Inspect screen and replace if torn, perforated or otherwise  
damaged. DO NOT USE a defective screen. If screen is not  
damaged, clean it with commercial solvent.  
Replace the screen and the retaining bracket.  
Figure 20 - Spark Arrestor  
NOTE:  
The rocker arm jam nut must be held in place as the pivot ball  
stud is turned.  
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Section 3 — Maintenance  
When valve clearance is correct, hold the pivot ball stud in place with  
the allen wrench and tighten the rocker arm jam nut. Tighten the jam  
nut to 174 in/lbs. torque. After tightening the jam nut, recheck valve  
clearance to make sure it did not change.  
DANGER  
Drain fuel into approved container outdoors,  
away from open flame. Be sure engine is cool.  
Do not smoke.  
  
Install new valve cover gasket.  
Re-attach the valve cover.  
Start and run engine until engine stops from lack of fuel.  
NOTE:  
While engine is still warm, drain oil from crankcase. Refill with  
recommended grade.  
Start all four screws before tightening or it will not be possible  
to get all the screws in place. Make sure the valve cover gasket  
is in place.  
Remove spark plugs and pour about 1/2 ounce (15 ml) of engine  
oil into the cylinders. Cover spark plug hole with rag. Press the  
“Start” button and allow engine to crank for 2 seconds. Then press  
the “Stop” button.  
Re-attach the spark plug wire to the spark plug.  
Repeat the process for the other cylinder.  
3.7 GENERAL  
Avoid spray from spark plug holes when  
cranking engine.  
The generator should be started at least once every seven days  
and be allowed to run at least 30 minutes. If this cannot be done  
and the unit must be stored for more than 30 days, use the following  
information as a guide to prepare it for storage.  
Install and tighten spark plugs. Do not connect spark plug wires.  
Clean the generator outer surfaces. Check that cooling air slots and  
openings on generator are open and unobstructed.  
Store the unit in a clean, dry place.  
DANGER  
3.9 OTHER STORAGE TIPS  
NEVER store engine with fuel in tank indoors  
or in enclosed, poorly ventilated areas where  
Do not store gasoline from one season to another.  
fumes may reach an open flame, spark or pilot  
light as on a furnace, water heater, clothes dryer  
or other gas appliance.  
Replace the gasoline can if it starts to rust. Rust and/or dirt in the  
gasoline will cause problems with the carburetor and fuel system.  
If possible, store the unit indoors and cover it to give protection  
from dust and dirt. BE SURE TO EMPTY THE FUEL TANK.  
3.8 LONG TERM STORAGE  
If it is not practical to empty the fuel tank and the unit is to be stored  
for some time, use a commercially available fuel stabilizer added to  
the gasoline to increase the life of the gasoline.  
It is important to prevent gum deposits from forming in essential fuel  
system parts such as the carburetor, fuel hose or tank during storage.  
Also, experience indicates that alcohol-blended fuels (called gasohol,  
ethanol or methanol) can attract moisture, which leads to separation  
and formation of acids during storage. Acidic gas can damage the fuel  
system of an engine while in storage.  
Cover the unit with a suitable protective cover that does not retain  
moisture.  
DANGER  
To avoid engine problems, the fuel system should be emptied before  
storage of 30 days or longer, as follows:  
NEVER cover the generator while engine and  
exhaust area are warm.  
Remove all gasoline from the fuel tank.  
16
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Section 4 — Troubleshooting  
4.1 TROUBLESHOOTING GUIDE  
PROBLEM  
CAUSE  
CORRECTION  
Engine is running, but no AC  
output is available.  
1. Circuit breaker is open.  
1. Reset circuit breaker.  
2. Check and repair.  
2. Poor connection or defective cord set.  
3. Connected device is bad.  
4. Fault in generator.  
3. Connect another device that is in good condition.  
4. Contact Authorized Service Facility.  
Engine runs good but  
bogs down when loads are  
connected.  
1. Short circuit in a connected load.  
2. Generator is overloaded.  
3. Engine speed is too slow.  
4. Shorted generator circuit.  
1. Disconnect shorted electrical load.  
2. See “Don’t Overload the Generator” .  
3. Contact Authorized Service Facility.  
4. Contact Authorized Service Facility.  
Engine will not crank.  
1. 10 amp fuse at rear of generator control panel  
has melted open.  
2. Battery weak or dead.  
1. Replace fuse with only an identical 10-amp  
replacement fuse.  
2. Recharge or replace battery.  
Engine will not start; or  
starts and runs rough.  
1. Dirty air cleaner.  
2. Out of gasoline.  
3. Stale gasoline.  
1. Clean or replace air cleaner.  
2. Fill fuel tank.  
3. Drain fuel tank and fill with fresh fuel.  
4. Connect wire to spark plug.  
5. Replace spark plug.  
4. Spark plug wire not connected to spark plug.  
5. Bad spark plug.  
6. Water in gasoline.  
6. Drain fuel tank; fill with fresh fuel.  
7. Put choke knob to No Choke position.  
8. Fill crankcase to proper level.  
9. Contact Authorized Service Facility.  
10. Contact Authorized Service Facility.  
11. Contact Authorized Service Facility.  
7. Overchoking.  
8. Low oil level.  
9. Excessive rich fuel mixture.  
10. Intake valve stuck open or closed.  
11. Engine has lost compression.  
Engine shuts down during  
operation.  
1. Out of gasoline.  
2. Low oil level.  
3. Fault in engine.  
1. Fill fuel tank.  
2. Fill crankcase to proper level.  
3. Contact Authorized Service Facility.  
Engine lacks power.  
1. Load is too high.  
2. Dirty air filter.  
3. Engine needs to be serviced.  
1. See “Don’t Overload the Generator”.  
2. Replace air filter.  
3. Contact Authorized Service Facility.  
Engine “hunts” or falters.  
1. Choke is opened too soon.  
2. Carburetor is running too rich or too lean.  
1. Move choke to halfway position until engine runs  
smoothly.  
2. Contact Authorized Service Facility.  
No Battery Charge DC  
output.  
1. Battery posts are corroded.  
2. Battery cable is bad.  
3. Battery is defective.  
4. Receptacle is bad.  
1. Clean battery posts.  
2. Replace cable.  
3. Check battery condition; replace if defective.  
4. Contact Authorized Service Facility.  
17  
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Section 5 — Notes  
18  
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Section 6 — Electrical Data  
Schematic – Drawing No. 0G2894-A  
19  
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Section 6 — Electrical Data  
Wiring Diagram – Drawing No. 0G2892-A  
20
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Section 6 — Electrical Data  
Wiring Diagram – Drawing No. 0G2892-A  
21  
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Section 7 — Exploded Views and Parts Lists  
GT-990 Engine – Drawing No. 0G2963-G (Part 1)  
22  
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Section 7 — Exploded Views and Parts Lists  
GT-990 Engine – Drawing No. 0G2963-G (Part 1)  
ITEM  
PART NO.  
QTY.  
DESCRIPTION  
ITEM  
PART NO.  
QTY.  
DESCRIPTION  
1
2
0C5729  
0E9843A  
0G0919  
0C5372  
0C3005  
0E3372B  
0D8067A  
071983  
0G0693  
0D4788  
0G2752  
0G2565  
0E1466  
0D4041  
043790A  
1
1
7
1
1
1
1
4
1
1
2
2
2
1
1
ASSY, CRANKCASE WITH SLEEVE  
SEAL, 38 I.D. CRANKSHAFT GREEN  
SCREW, HHFCS M6-1.0 X 12 G8.8  
ASSEMBLY, BREATHER  
33  
34  
35  
36  
37  
38  
39  
40  
0D3745  
0C3027  
0E9842A  
0F8054  
0C3006  
080318  
0G1839  
0D2723D  
1
1
TUBE, DIPSTICK  
O-RING, 3/8 X ½  
3
1
SEAL, 42 I.D. CRANKSHAFT GREEN  
GEARCOVER / ADAPTOR GTH990/760  
SCREW, HHFC M10-1.5 X 55  
SCREW HHFC M6-1.0 X 25  
LIFT HOOK, GT990/760  
COVER, ROCKER W/OIL FILL  
“GENERAC” TEXT  
4
1
5
GASKET, BREATHER COVER  
SEPARATOR, OIL BREATHER  
ASSEMBLY, HEAD #1  
10  
8
6
7
2
8
RETAINER, PISTON PIN 20  
ASSY, ROCKER COVER W/BARB  
PLUG,STD PIPE 3/8” STEEL SQ HEAD  
PISTON, DISH TOP DIA 90 COATED  
RING SET, PISTON DIA 90  
PIN PISTON  
1
9
10  
11  
12  
13  
14  
15  
41  
42  
43  
44  
45  
46  
47  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
60  
61  
62  
63  
64  
65  
66  
0C2979  
086515  
0D2274  
0D3867  
078672  
0C5371  
072694  
0D5313  
0D3998  
0D6024  
0C2976  
086516  
0C2229  
083897  
0D8067B  
0D9853D  
0C2978  
0D6008  
0D4010  
0D6007  
0D4012  
0D8675A  
0D8675B  
0D4015  
2
8
4
4
2
4
4
4
4
2
12  
2
2
4
1
4
2
1
1
1
1
1
1
1
GASKET, VALVE COVER  
KEEPER, VALVE SPRING  
RETAINER, VALVE SPRING  
SPRING, VALVE  
ASSEMBLY, CAMSHAFT & GEAR  
BARBED ELBOW, 90 DEG. 3/8NPT X  
3/8 VS  
SEAL, VALVE STEM D7  
WASHER, VALVE SPRING  
STUD, ROCKER ARM PIVOT  
ROCKER ARM  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
32  
093064  
0C2977  
0C5943  
0E3791E  
0E3223  
0D2157  
0E6098  
0D4123B  
0E8152  
0C3011  
0C3009  
0C3010  
093873  
0F5458  
0C5998  
0F2664E  
1
1
1
1
2
2
1
1
1
2
2
2
2
1
1
1
ASSEMBLY, OIL FILL CAP  
GASKET, CRANK CASE  
SEAL, OIL PASSAGE  
NUT, HEX M8-1.0 GB YELLOW CHROM  
PLATE, PUSH ROD GUIDE  
SCREW HHFC M8-1.25 X 65  
VALVE, EXHAUST  
ASSY, GTH-990 DIRECT DRIVE  
ASSEMBLY, CONNECTING ROD GT-990  
SCREW SHC M6-1.0 X 50 G8.8  
SCREEN, OIL PICKUP  
VALVE, INTAKE  
TAPPET, SOLID  
ASSY,OIL PUMP GTH W/O O-RING  
O-RING, 0.49 ID X 0.07 THICK  
COVER, OIL RELIEF  
ASSEMBLY, HEAD #2  
PUSHROD 147  
GASKET, HEAD  
KIT GEAR COVER  
SPRING, OIL RELIEF  
BALL, 1/2D OIL RELIEF  
KIT GASKET  
KIT PISTON & RINGS  
WASHER, LOCK RIB M6  
SCREW, PLASTITE HI-LOW #10  
CLAMP, OIL TUBE  
KIT BREATHER ASSEMBLY  
KIT HEAD ASSEMBLY CYLINDER 1  
KIT HEAD ASSEMBLY CYLINDER 2  
KIT OIL RELIEF  
ASSEMBLY, DIPSTICK GTH-990  
PORTABLE  
23  
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Section 7 — Exploded Views and Parts Lists  
GT-990 Engine – Drawing No. 0G2963-G (Part 2)  
24  
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Section 7 — Exploded Views and Parts Lists  
GT-990 Engine – Drawing No. 0G2963-F (Part 2)  
ITEM  
PART NO.  
QTY.  
DESCRIPTION  
ITEM  
PART NO.  
QTY.  
DESCRIPTION  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
0D6592  
0D4511  
0D9723  
0E5302  
0D4183  
0D6327  
0D2774B  
0D5125  
0D2930  
0D4612A  
0D6143  
0D2775  
0D5014A  
0D5014B  
049721  
022097  
022473  
0E8388  
0D6021  
0C9093A  
0D4522  
074908  
082025  
0E3398  
0G4612  
0D4026  
048031C  
0F9176C  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
4
1
1
2
1
1
1
1
4
1
WINGNUT, AIRBOX  
PRECLEANER, AIR  
114  
115  
116  
117  
118  
119  
120  
121  
122  
123  
124  
125  
126  
127  
128  
129  
130  
131  
132  
133  
134  
135  
136  
0G3110  
0G3224B  
0F6263  
0G0290  
0G0926  
0G0832  
0E7585A  
0E9323  
022129  
061906  
022145  
0F5467  
0D1131  
0F1169B  
0C9763  
0C3034  
0C3033  
0C3032  
0A5992  
051754  
0C3031  
0E4997  
045756  
4
1
1
1
2
1
2
1
3
2
1
1
1
1
4
1
1
1
2
2
1
1
4
SCREW TAPTITE M6-1.0 X 20 ZINC  
ASSY, IGN COIL W/DIODE NO ADV  
PUMP, IMPULSE  
ELEMENT, AIR CLEANER  
STUD M6-1.0 X 73  
ADAPTOR, SPIT BACK  
HOSE, 3/8” ID x 6-1/2” SAE J30R9  
SCREW, HHFCS M6-1.0 X 16 G8.8  
ELBOW, RUBBER 90 DEG. GASOLINE  
SPARKPLUG, CHAMPION RC14YC  
STARTER MOTOR GEAR REDUCED  
WASHER LOCK M8-5/16  
GASKET, SPITBACK  
BASE, AIRBOX  
SPRING, WINTER/SUMMER VALVE  
VALVE, SUMMER / WINTER  
SNORKEL, AIR INTAKE  
SCREW HHC M8-1.25 X 85 G8.8  
WASHER, FLAT M8  
TUBE, HEAT RISER 50.8 I.D.  
COVER, AIRBOX  
KNOB, AIRBOX 17mm  
NUT, HEX M8-1.25 YELLOW ZINC  
GUARD,FAN  
KNOB, AIRBOX 95MM  
HOUSING, BLOWER GAS COOLER  
NUT, GROMMET 1/4 PLUG  
NUT,HEX M24  
SCREW HHC M6-1.0 X 35  
WASHER LOCK M6-1/4  
WASHER FLAT 1/4  
WASHER, M24  
PLATE, FAN  
NUT, HEX FLANGE WHIZ M6-1.0  
STUD, METRIC  
HOSE, BREATHER  
WASHER SHAKEPROOF INT M8 SS  
SCREW HHC M8-1.25 X 12 G8.8  
FAN, NYLON  
CONTROLLER ASSEMBLY  
SCREW HHTT M5-0.8 X 10  
NUT, HEX LOCK M5-0.8 ZINC  
ASSEMBLY, WIRE  
ASSY,GROUND WIRE CONNECTOR  
SCREW TAPTITE M6-1X10 YELLOW  
CHROME  
CARBURETOR, H990 W/BALL STUD  
GASKET, CARB TO SPACER (GT-990)  
CLAMP HOSE BAND 1/4  
HOSE ¼ ID SAE 30R7 SETIFLEX II 9”  
PRE-CUT  
137  
138  
0C3725A  
0G4928A  
1
1
FLYWHEEL ASSEMBLY  
PLATE, BACKING GT990 W/OIL COOL  
ZINC  
139  
140  
141  
142  
143  
082774  
0C3043  
0C9764  
0C3026  
0G3662  
1
2
4
1
5
KEY, WOODRFF 4 X 19D  
GASKET, MANIFOLD / PORT  
PLASTITE,1/4-15 X 3/4  
94  
95  
0G0510  
084409D  
0D6313  
045756  
082025  
0G3730A  
0C9911  
051714  
0D5411  
0D5445  
0D5416A  
0D5398  
0E6043  
0D3432  
090388  
1
1
GASKET, MANIFOLD TO CARBURETOR  
SLEEVING, FLEXO HW ¾ 3”  
FILTER, FUEL  
COOLER, OIL  
CLAMP, HOSE OETIKER STEPLESS  
17mm  
96  
97  
1
4
SCREW, HHTT M6-1 x 10 LONG  
NUT, HEX LOCK M5-0.8 ZINC  
SCREW, SHC M8-1.25 x 30LG SEMS  
MANIFOLD, INTAKE  
98  
99  
1
144  
145  
146  
147  
149  
150  
151  
152  
153  
154  
155  
157  
160  
161  
162  
163  
0G0286  
035461  
070185F  
0D3083  
0C3025  
0G2363  
0C3018  
0C3019  
0F9176  
0E0409  
0C8563  
0D9784  
0D6147  
0G3224A  
048031G  
0D6342  
2
2
1
1
1
1
1
1
3”  
1
6
1
5
1
1
1
HOSE, 3/8" I.D. X 6" SAE J30R9  
BARBED STR 1/4NPT X 3/8  
OIL FILTER, 90mm w/LOGO  
ASSEMBLY, OIL DRAIN HOSE  
SWITCH, OIL PRESS  
4
100  
101  
102  
103  
104  
105  
106  
107  
108  
1
1
NUT HEX M3-0.5  
1
ROD, SUMMER / WINTER VALVE  
BUSHING, MINI CONTROL PANEL  
KNOB, CONTROL SUMMER / WINTER  
CHOKE ASSEMBLY  
1
BRACKET, AIRBOX SUPPORT  
WRAPPER, UPPER CYLINDER 1  
WRAPPER, LOWER CYLINDER 1  
HOSE, ¼” SAE 30R7 SETIFLEX II  
ASSY, ROD, GOV. STEPPER MOTOR  
SCREW HHHC M6-1.0 X12  
NUT, LOCK HEX M3-0.5 (GT-990)  
SCREW HHFC M6-1.0 X 10mm  
ASSY, IGN COIL W/DIODE NO ADV  
CLAMP, HOSE BAND GREEN  
BALL STUD, 10mm  
1
1
2
SCREW TAPTITE M5-0.8 X 8 ZP  
PANEL, CONTROL FACE PLATE  
SCREW TAPTITE M6-1.0X 12 CLEAR  
ZINC  
1
18  
109  
110  
111  
112  
113  
0D4767  
0D1142A  
0D1143  
0F1177  
1
1
1
1
SWITCH ROCKER  
WRAPPER, LOWER CYLINDER 2  
WRAPPER, UPPER CYLINDER 2  
ASSEMBLY, GROUND WIRE  
25  
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Section 7 — Exploded Views and Parts Lists  
Generator – Drawing No. 0G2964  
26  
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Section 7 — Exploded Views and Parts Lists  
Generator – Drawing No. 0G2964  
ITEM  
PART NO.  
QTY.  
DESCRIPTION  
1
2
066849  
2
1
SCREW HHTT M5-0.8 X 16  
STATOR 15KW  
STATOR 17.5KW  
0G2921  
0G2923  
0G29220SRV  
0G29240SRV  
0C6043B  
0D2492  
0D2726  
0C4138  
0D3547  
031971  
3
1
ASSEMBLY, ROTOR WITH FAN 15KW  
ASSEMBLY, ROTOR WITH FAN 17.5KW  
CARRIER, REAR BEARING  
EXHAUST MANIFOLD  
4
5
1
1
1
2
1
1
3
1
4
1
4
1
1
6
1
1
1
1
1
1
1
1
1
4
21  
4
7
18  
12  
2
1
1
4
1
1
3
5
5
1
1
1
6
MUFFLER  
GASKET, EXHAUST  
7
8
COVER, ALTERNATOR AIR IN  
BEARING  
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  
44  
0C3168  
0D1838  
0D3549  
0C7038E  
032712  
5/16 SPECIAL LOCK WASHER  
SCREW IHHC 3/8-24 X 15.50 G5  
SCREW IHHC M8-1.25 X 400 G8.8  
BRACKET, ALT MOUNTING  
SCREW HHTT #10-32 X 1.75  
SCREW HHTT M8-1.2 X 20  
ENGINE MOUNTING PLATE  
RUBBER MOUNT  
0D4662  
0C7038D  
0C7758  
0388050AF0  
0C2417A  
082121C  
066386  
BATTERY CABLE, BLACK  
EARTH STRAP 3/8X 3/8  
CLIP-J VINYL COAT .625 ID  
ASSEMBLY, BRUSH HOLDER  
SCREW TAP-R #10-32 X 9/16  
WASHER FLAT 3/8 ZINC  
WASHER LOCK 3/8  
0C2824  
0A2038  
022237  
0D6214  
045764  
051731  
SHIELD, RUBBER MOUNT  
SCREW HHTT M4-0.7 X 8  
SCREW HHC M8-1.25 X 50 G8.8  
WASHER FLAT 5/16 ZINC  
NUT LOCK HEX M8-1.25 NYLON INSERT  
SCREW HHC M6-1.0 X 12  
WASHER LOCK M8-5/16  
NUT HEX 5/16-18 STEEL  
SCREW TAPTITE 3/8-16 X 3/4 BP  
SHIELD, MUFFLER HEAT  
U-BOLT & SADDLE  
022145  
049820  
043116  
022129  
022259  
059637  
0D5100  
0D5823  
0C8565  
0D5833  
0D5834  
090388  
SCREW SHC M8-1.25 X 18  
PANEL, MUFFLER BOX BACK  
PANEL, MUFFLER BOX END  
SCREW HHTT M6-1.0 X 12  
WASHER FLAT M6-1/4  
022473  
022097  
WASHER LOCK M6-1/4  
0D5133  
0D5133A  
0G2387  
SPARK ARRESTOR SCREEN  
RETAINER, SPARK ARREST SCREEN  
PLUG, GEARCOVER ADAPTOR  
27  
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Section 7 — Exploded Views and Parts Lists  
Control Panel – Drawing No. 0G2965-B  
28  
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Section 7 — Exploded Views and Parts Lists  
Control Panel – Drawing No. 0G2965-B  
ITEM  
PART NO.  
QTY.  
DESCRIPTION  
ITEM  
PART NO.  
QTY.  
DESCRIPTION  
1
0G28880ST03  
1
CONTROL PANEL BOX (15 KW &  
005396)  
30  
31  
32  
33  
043437  
0D4968  
0D4966  
051715  
1
1
OUTLET 30A 125/250V  
OUTLET 20A 120V DPLX  
OUTLET 20A 120V GFCI  
NUT HEX M4-0.7 (15 KW & 005396)  
NUT HEX M4-0.7 (17.5 KW)  
WASHER FLAT #8 (15 KW & 005396)  
WASHER LOCK M4 (15 KW & 005396)  
WASHER LOCK M4 (17.5 KW)  
GROUND WIRE  
0G28900ST03  
0D4409  
1
1
CONTROL PANEL BOX (17.5 KW)  
ELECTRONIC GOVERNOR / IDLE  
CONTROLLER  
1
2
14  
10  
14  
14  
10  
1
3
4
0F9719  
0F3100  
0F3101  
052844  
065795  
032300  
028578  
0D4804A  
023484S  
0G2887  
1
1
1
1
2
1
1
1
1
1
ASSY PCB VREG AIR COOLED  
RELAY 3PDT 12VDC  
34  
35  
038150  
022264  
5
RELAY BASE 3PDT 12VDC  
RELAY PNL 12VDC SPST 30A  
RECTIFIER-BATTERY CHARGER  
HOLDER FUSE  
6
36  
37  
38  
39  
0742600142  
049721  
0A1658  
7
1
SCREW HHC M6-1.0 X 35  
WASHER LOCK SPECIAL 1/4"  
HARNESS, CONTROL PANEL FRONT  
(NOT SHOWN)  
8
2
9
FUSE 10A X AGC10  
TRANSFORMER, IDLE CURRENT  
BUSHING SNAP  
0D3546  
1
10  
11  
12  
40  
41  
42  
43  
44  
0G0615  
090987  
0C1085  
075475  
077682  
080823  
1
4
2
8
2
2
SPRING RETAINER (17.5 KW)  
SCREW PPHM M3-0.5 X 12  
SCREW PPHM M3-0.5 X 8  
SCREW PPHM M4-0.7 X 10  
SCREW PPHM M5-0.8 X 80 (17.5 KW)  
SCREW PPHM M5-0.8 X 50 (15 KW &  
005396)  
HARNESS, CONTROL PANEL BACK  
(NOT SHOWN)  
13  
14  
0D5045  
0G0923  
0D5734  
1
2
2
DIN RAIL 59.5mm LONG  
SPACER .25 X .50 X 2.5 (17.5 KW)  
SPACER .25 X .50 X 1.5 (15 KW &  
005396)  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
0D1004E  
087962  
048505  
057405  
0D6140  
049939  
055444  
027565  
087968  
090418  
0D8740  
1
1
CIRCUIT BREAKER 50A 400V 2POLE  
CIRCUIT BREAKER 10A 1POLE  
CIRCUIT BREAKER 6A 1POLE  
RESISTOR 25R 5% 25W  
GASKET, PORTABLE CONTROL PANEL  
RECTIFIER 1N1206R  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
075235  
0G3024  
074908  
045770  
0A2053  
022097  
022473  
070370  
023897  
030468  
049813  
022158  
0E6480  
082025  
0D9784  
3
2
10  
1
1
1
3
1
1
1
3
1
8
8
4
SCREW PPHM M5-0.8 X 30  
SCREW HHC M5-0.8 X 25  
SCREW HHTT M5-0.8 X 10  
SCREW HHC M5-0.8 X 10  
SCREW HHC M6-1.0 X 65  
WASHER LOCK M6 (1/4”)  
WASHER FLAT 1/4”  
1
1
2
1
1
HEATSINK  
A/R  
1
TAPE ELEC UL PERMACEL  
SWITCH, ROCKER -/0  
OUTLET, 12VDC SNAP  
WASHER MICA .203  
WASHER FLAT #10  
1
WASHER STEP NYLON .20  
NUT HEX M6-1.0  
NUT HEX #10-32  
1
PANEL, SHEET METAL (15 KW &  
005396)  
0G0309  
075207A  
075207  
068868  
0D4969  
1
4
2
2
1
PANEL, SHEET METAL (17.5 KW)  
CIRCUIT BREAKER 30A  
CIRCUIT BREAKER 20A  
OUTLET 30A 120V RECEPT  
OUTLET 50A 125/250V  
NUT HEX M4-0.5 NYINS  
NUT HEX M5-0.8 NYINS  
NUT HEX M3-0.5 NYINS  
26  
27  
28  
29  
29  
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Section 7 — Exploded Views and Parts Lists  
Frame, Handle & Wheel Kit – Drawing No. 0E0695-B  
30  
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Section 7 — Exploded Views and Parts Lists  
Frame, Handle & Wheel Kit – Drawing No. 0E0695-B  
ITEM  
PART NO.  
QTY.  
DESCRIPTION  
1
2
057058  
0D5315  
0D4570  
0D22850SRV  
045771  
022129  
022145  
0D4565  
0D3545  
022287  
022473  
022097  
022127  
0388040AK0  
0D4575  
0D5202  
0D5199  
029809  
0C3168  
0D5198  
0E0317  
0D2498  
027007  
0D5303  
042909  
090388  
064101  
039214  
0D9165  
0D2496  
045900  
045900  
0D7668  
0D2495  
0D4999  
0D4044  
0D3700  
0D2497  
022532  
027028  
0D2271  
052762  
051713  
049226  
051716  
050190  
078299  
080270  
0D5142  
096021  
048031C  
0F9176  
075763  
075763A  
0E0318  
030795  
4
4
1
1
4
10  
14  
1
2
2
2
2
2
1
1
1
4
1
1
1
1
1
2
4
2
4
6
6
1
1
2
4
2
2
2
2
4
1
4
6
1
4
8
4
4
2
1
1
1
2
2
18”  
1
1
2
2
SCREW HHC M6-1.0 X 55  
RUBBER TANK MOUNT  
CAP, FUEL WITH GAUGE & VENT  
KIT, FUEL TANK  
3
4
5
NUT HEX M8-1.25  
6
WASHER LOCK M8-5/16  
WASHER FLAT 5/16  
BRACKET BATTERY  
7
8
9
BOLT,BATTERY J-BOLT  
SCREW HHC 1/4-20 X 3/4 G5  
WASHER FLAT 1/4  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
WASHER LOCK M6-1/4  
NUT HEX 1/4-20  
BATTERY CABLE, RED  
BATTERY U1  
NUT WING 5/16-18 BRASS  
WASHER FLAT 5/16 BRASS  
NUT HEX 5/16-18 BRASS  
5/16 SPECIAL L/WASH  
SCREW HHC 5/16-18 X 1.5 BRASS  
BRACKET FRONT FOOT (15 kW)  
BRACKET FRONT FOOT (12.5 kW)  
VIB MOUNT  
22  
23  
24  
25  
26  
27  
28  
WASHER FLAT .25ID X 1"OD  
SCREW HHC M8-1.25 X 30  
SCREW HHTT M6-1.0 X 12  
NUT LOCK FL 3/8-16  
BOLT CARR 3/8-16 X 1  
AXLE, 3/4"DIA X 30" (15 kW)  
AXLE, 3/4"DIA X 27.25" (12.5 kW)  
WASHER FLAT 3/4” (15 kW)  
WASHER FLAT 3/4” (12.5 kW)  
12.3" PNEUM WHEEL 3/4" AXLE (15 kW)  
10" PNEUM WHEEL 3/4" AXLE (12.5 kW)  
PIN COTTER 1/8 X 1-1/4  
BRACKET, WHEEL SPACER  
NUT FLANGE M6-1.0 NYLOK  
HANDLE  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
SCREW HHC 5/16-18 X 2-1/2 G5  
NUT LOCK HEX 5/16-18 NYLON INSERT  
FRAME  
SCREW HHC M5-0.8 X 45 G8.8  
WASHER FLAT M5  
WASHER LOCK M5  
NUT HEX M5-0.8  
WASHER FLAT 1”  
BUSHING TANK DEXTOR  
VALVE, PLASTIC TANK  
AIR DEFLECTOR  
GROMMET .75 X .06 X .50  
CLAMP HOSE BAND ¼  
HOSE ¼ ID  
BOOT BATTERY CABLE  
BOOT STARTER CABLE  
SPACER, AXLE (15 kW)  
SCREW HHC 5/16”-18 X 1”  
31  
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Section 8 – Warranty  
CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT  
YOUR WARRANTY RIGHTS AND OBLIGATIONS  
The California Air Resources Board (CARB) and Generac Power Systems, Inc. (Generac) are pleased to explain the Emission Control  
System warranty on your new engine. In California, new off-road Large Spark-Ignition (LSI) engines must be designed, built and equipped  
to meet the state's stringent anti-smog standards. Generac will warrant the emission 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 system, exhaust system and crankcase ventilation  
system. 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 2001 and later model year LSI 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 Dealer.  
PURCHASER'S/OWNER'S WARRANTY RESPONSIBILITIES:  
As the engine 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 due to 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 contacting a Generac Authorized Warranty Dealer 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 Dealer. To locate  
the Generac Authorized Warranty Service Dealer 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 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.  
If you have any questions regarding your warranty rights and responsibilities, you should contact Generac at one of the following  
addresses:  
ATTENTION WARRANTY DEPARTMENT  
GENERAC POWER SYSTEMS, INC.  
P.O. BOX 297 • WHITEWATER, WI 53190  
Part 1  
32  
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Section 8 – Warranty  
EMISSION CONTROL SYSTEM WARRANTY  
Emission Control System Warranty (ECS warranty) for 2001 and later model year LSI engines:  
(a) Applicability:This warranty shall apply to 2001 and later model year engines.The ECS Warranty period shall begin on the date the new engine  
or equipment 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 subsequent purchaser/owner that each of its engines are:  
(1) Designed, built and equipped so as to conform with all applicable regulations adopted by the CARB pursuant to its 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.  
The ECS Warranty pertains only 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 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 purchaser/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 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 ECS Warranty obligations.  
(9) Unapproved, add-on, modified, counterfeit and/or "grey market" parts nay 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:  
3) Ignition System including:  
1) Fuel Metering System:  
a) Spark plug  
b) Ignition module  
1.2) LPG/Natural Gas carburetion assembly and its internal components.  
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  
2) Air Induction System including:  
a) Intake pipe/manifold  
b) Air cleaner  
* Generac engine types covered by this warranty statement include the following:  
1) Prepackaged Standby Generator  
2) Auxiliary Power Unit (APU) Generator  
3) Portable Generator  
4) Standby Generator  
Part 2  
33  
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Section 8 – Warranty  
GENERAC POWER SYSTEMS “TWO YEAR” LIMITED WARRANTY FOR CENTURION®  
“15,000 AND 17,500 WATT PORTABLE GENERATORS”  
For a period of two years from the date of original sale, Generac Power Systems, Inc. (Generac) warrants its Centurion generator will be free from defects in materials  
and workmanship for the items and period set forth below. Generac will, at its option, repair or replace any part which, upon examination, inspection and testing by  
Generac or a Generac Authorized Warranty Service Dealer, is found to be defective. Any equipment that the purchaser/owner claims to be defective must be returned  
to and examined by the nearest Generac Authorized Warranty Service Dealer. 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 Centurion portable generators and is not transferable.  
WARRANTY SCHEDULE  
Consumer applications are warranted for 2 (two) years. Commercial applications are warranted for 1 (one) year. Rental applications are warranted for 90 (ninety)  
days.  
CONSUMER APPLICATION  
YEARS ONE and TWO - 100% (one hundred percent) coverage on Labor and Part(s) listed (proof of purchase and maintenance is required):  
Engine - All Components  
Alternator - All Components  
NOTE: For the purpose of this warranty "consumer use" means personal residential household use by original purchaser. This does not apply to units used for Prime  
Power in place of utility where utility power service normally exists. Once a generator has experienced commercial or rental use, it shall thereafter be considered a  
non-consumer use generator for the purpose of this warranty.  
All warranty expense allowances are subject to the conditions defined in Generac's Warranty Policies, Procedures and Flat Rate Manual.  
THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING:  
Generac Centurion portable generators that utilize non-Generac replacement parts.  
Costs of normal maintenance and adjustments.  
Failures caused by any contaminated fuels, oils or lack of proper oil levels.  
Failures due, but not limited, to normal wear and tear, accident, misuse, abuse, negligence or improper use. 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 warranty 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 limitations 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  
Printed in U.S.A.  
05/30/07  
Part No. 0G2955 Rev. B  
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