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6

REV D

60706-233

WARNING: FIRE DANGER

Gasoline and its fumes are VERY explosive when proper precautions 

are not taken.

Never use gasoline that has been stored for an extended period of 

time as the fuel will lose its volatile properties and you will be left with 

varnish residue. The varnish like substance will clog the carburetor and 

will not burn properly.

The use of fuel additives, such as Sta-Bil, or an equivalent will minimize 

the formation of fuel gum deposits. If a unit has been out of operation 

for an extended period of time, it is best to drain old fuel from the 

engine and replace with fresh fuel before attempting to start.

See the engine manual for special instruction for operating this unit at 

over 5000 feet.

BATTERY INSTALLATION

This engine generator set is shipped with a battery tie down kit for 

customer installation. This kit consists of a battery tie down and 

hardware for installation of the customer supplied battery on the unit.

If you intend to use the power plant’s electric start system, you will 

need to purchase and install a battery to operate it. 

WARNING: EQUIPMENT DAMAGE

The battery positive (+) cable is shipped with a plastic protective cap. 

When starting manually, this protective cap must remain in place to 

avoid possible damage to the engine electrical system and/or generator 

end.

A 12 Volt battery, BCI group U1 rated at 275 CCA or larger is 

recommended for this electric start engine-generator set. Follow the 

battery manufacturers recommendations for servicing and charging 

prior to use. Connect the battery to the electric start system using the 

cables provided.

CAUTION: EQUIPMENT DAMAGE

These electric start engines are NEGATIVE GROUND. Use extreme 

caution when connecting the battery. Connect the NEGATIVE battery 

terminal to GROUND.

For your safety, always connect the positive battery cable to the “bat+” 

terminal first. Then connect the negative battery cable to the “Bat-” 

terminal. Make sure all connections are clean an tight. Reverse the 

sequence when disconnecting, disconnect the negative cable first. 

These engines produce enough direct current to keep the battery 

charged under normal operating conditions, but were not intended to 

be used as a battery charger.

WARNING: PERSONAL INJURY

Lead acid batteries produce explosive hydrogen gas when charging. 

Keep sparks, flames, and burning cigarettes away from the battery. 

Ventilate the area when charging or using the battery in an enclosed 

space. Lead acid batteries contain sulfuric acid, which causes severe 

burns. If acid contacts eyes, skin, or clothing, flush well with water. 

For 

contact with the eyes, get immediate medical attention.

BATTERY CHARGING

Units have a small flywheel charger built into the engine flywheel 

assembly for recharging the starting battery. This flywheel charger 

generates a small AC current that passes through a diode assembly 

to produce DC charging current of about 1 to 3 Amps. This circuit is 

not designed to be used as a battery charging circuit to recharge dead 

batteries.

OPTIONAL DOLLY KIT

An optional 4-wheel dolly kit is available for this generator. The dolly kit 

comes with instructions and parts list. 

INITIAL START UP

The throttle control on these generators is preset and locked to operate 

at 3600 RPM (nominal) with no load speed set at 3690 RPM. Only 

a trained service technician should be allowed to adjust this speed 

setting.

NOTICE: ENGINE START LOCKOUT

This unit will not start if it is low on oil. The lubricating oil level must be 

at the full mark before the engine will start and run.

BASIC OPERATION

If the engine is cold and stiff or if the battery is not fully charged, 

starting can be made easier by slowly hand cranking the engine 

through the compression stroke before pushing the starter switch. This 

permits the starter to gain momentum before the heavy load of the 

compression stroke occurs. This minimizes the drain on the battery 

and improves the possibility of starting under such adverse conditions. 

Always keep the battery charged, especially during cold weather 

operation.

 

1. Check oil level, refill as needed.

 

2. Turn on the fuel supply. Ref “A”. Lever pointing up is on, lever   

 

  pointing down is off.

Summary of Contents for WL12000HE

Page 1: ...WINCO INC 225 S CORDOVA AVE LE CENTER MN 56057 507 357 6821 SERVICE DEPT 507 357 6831 www wincogen com INSTALLATION AND OPERATORS WL12000HE K L GENERATOR MANUAL...

Page 2: ...nd maintenance of the generator Read and understand all instructions in the manual before starting and operating the generator USING THIS MANUAL Congratulations on your choice of a WINCO generator You...

Page 3: ...y result in minor or moderate injury It may be used to alert against unsafe practices NOTE CAUTION is also used on the unit labels and in this manual to indicate a situation that could result in serio...

Page 4: ...roperly engineered The use of these 3rd party enclosures is acceptable as long as they have been certified and meet current code DO NOT attempt to operate at 50 cycles These units are designed and gov...

Page 5: ...l falls below the safe limit However to avoid the inconvenience of an unexpected shutdown fill to the upper limit and check the oil level regularly With the engine in a level position fill with the re...

Page 6: ...erse the sequence when disconnecting disconnect the negative cable first These engines produce enough direct current to keep the battery charged under normal operating conditions but were not intended...

Page 7: ...turn the fuel valve to the CLOSED or OFF position 3 4 5 6 7 3 1 2 09 07 07 20 33 44 32Z6L600_005 ENGLISH STOPPING THE ENGINE M MI IN N M MI IN N START ENGINE SWITCH START ENGINE SWITCH THROTTLE LEVER...

Page 8: ...cian The nameplate amperage rating for electric motors can be misleading See Starting Electric Motors in the Unit Capabilities These engine generator sets are inherently self regulating based on engin...

Page 9: ...proper loading of the generator set constitutes abuse and will not be covered by warranty ENGINE CARE MAINTENANCE SCHEDULE If major engine service or repair is required contact an authorized engine se...

Page 10: ...d oil to bring the oil level to the upper limit mark on the oil level dipstick Screw on the new oil filter by hand until the seal contacts the filter mounting base then use an oil filter socket tool t...

Page 11: ...ufflers equipped with spark arresters the spark arrester must be removed every 50 hours for cleaning and inspection Replace if damaged TROUBLESHOOTING Problem Possible Causes Won t start Low oil level...

Page 12: ...r improve its products without incurring any obligations to make such changes or improvement on products purchased previously EXCLUSIONS WINCO does not warrant Engines Engines are covered exclusively...

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