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7

OPM-139/E

PREPARING THE UNIT 

UNPACKING

CAUTION: EQUIPMENT DAMAGE

THIS UNIT HAS BEEN SHIPPED WITH OIL.

 Failure to 

maintain the engine oil at the proper level will result in 
serious engine damage.

When you unpack your engine-generator set be sure to 

remove all the information sheets and manuals from the 

carton.

1. As you receive your unit, it is critical to check it for any 

  damage. If any damage is noted, it is always easiest to 

  refuse the shipment and let WINCO take care of the 

  freight claim. If you sign for the unit, the transfer of the 

  ownership requires that you file the freight claim

2. Before proceeding with the preparations of your new 

  generator for operation, take a couple of minutes to 

  ensure the unit you have received is the correct model 

  and review the specification pages in this manual to 

  ensure that this unit meets your job requirements.

LUBRICATION

Before starting the engine, fill the crankcase to the proper 

level with a good quality oil. The recommended grade oil 

and quantity of oil required is listed in the engine operator’s 

manual and under the service tab in this manual. This unit 

was shipped with most of the oil. The engine normally 

holds 57 to 58 ounces (1.78 to 1.81 quarts) of oil. Since 

there is some trapped in the engine, when filling the 

crankcase the first time, use the dipstick to ensure that you 

do not over fill the crankcase. The full oil level mark on the 

dipstick is depicted in the following image.

Oil is added to the engine by removing the oil cap and 

adding oil at this point. After filling the crankcase to the 

proper level, be sure you properly tighten the oil fill cap. 

NOTE: This engine generator must be on a level surface 

before you check or add oil to the system. The necessity 

of using the correct oil and keeping the crankcase full 

cannot be overemphasized. Engine failures resulting from 

inadequate or improper lubricant are considered abuse and 

not covered by the generator or engine manufacturer’s 

warranty.

ENGLISH

ENGINE OIL

Recommended Oil

Oil Level Check

Oil Change

AMBIENT TEMPERATURE

OIL FILLER

CAP

UPPER LIMIT
LOWER LIMIT

OIL LEVEL DIPSTICK

UPPER

LIMIT

LOWER

LIMIT

SEALING WASHER

DRAIN BOLT

OIL FILLER CAP

OIL LEVEL DIPSTICK

Synthetic 5W-30

8

Use 4-stroke motor oil that meets or exceeds the requirements for
API service category SJ or later (or equivalent). Always check the
API service label on the oil container to be sure it includes the
letters SJ or later (or equivalent).

Check the engine oil level with the engine stopped and in a level
position.

Start the engine and let it idle for 1 or 2 minutes. Stop the engine
and wait for 2 or 3 minutes.

Remove the oil level dipstick and wipe it clean.

Fully insert the oil level dipstick, then remove it to check the oil
level.

If the oil level is low, remove the oil filler cap, and fill with the
recommended oil to the upper limit mark on the oil level dipstick.

Reinstall the oil level dipstick and oil filler cap.

The Oil Alert system (applicable types) will automatically stop the
engine before the oil level falls below the safe limit. However, to
avoid the inconvenience of an unexpected shutdown, always
check the engine oil level before startup.

Oil is a major factor affecting performance and service life.
Use 4-stroke automotive detergent oil.

Drain the used oil when the engine is warm. Warm oil drains
quickly and completely.

Place a suitable container below the engine to catch the used oil,
then remove the oil filler cap, drain bolt and sealing washer.

Allow the used oil to drain completely, then reinstall the drain
bolt and new sealing washer, and tighten the drain bolt securely.

Please dispose of used motor oil in a manner that is compatible
with the environment. We suggest you take used oil in a sealed
container to your local recycling center or service station for
reclamation. Do not throw it in the trash, pour it on the ground,
or pour it down a drain.

Reinstall the oil filler cap and oil level dipstick securely.

The Oil Alert system (applicable types) will automatically stop
the engine before the oil level 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 recommended oil
to the upper limit mark on the oil level dipstick.

Running the engine with a low oil level can cause engine damage.

This type of damage is not covered by the Distributor’s Limited
Warranty.

Running the engine with a low oil level can cause engine

damage. This type of damage is not covered by the Distributor’s
Limited Warranty.

SAE 10W-30 or 5W-30 is recommended for general use. Use a full
synthetic 5W-30 for starting/operating temperatures between 5°F
( 15°C) and

13°F ( 25°C). Other viscosities shown in the chart

may be used when the average temperature in your area is within
the indicated range.

1.

2.

3.

4.

5.

1.

2.

3.

4.

09/07/07 20:34:57 32Z6L600_008

OIL RECOMMENDATIONS

Outdoor temperatures determine the proper oil viscosity for 

the engines. Winco recommends our 5W-30 fully synthetic 

oil to give you excellent protection in cold temperatures 

while maintaining excellent performance in warmer 

weather.

OIL ALERT SYSTEM

This generator is equipped with a low oil shutdown system. 

This Honda engine uses an float switch mounted inside 

the engine. If the oil level drops below a certain point the 

low oil module on the engine will shut it down. This low oil 

warning system will automatically stop the engine before 

the oil level reaches critical danger point. This feature is 

designed to prevent costly repairs and downtime.

CAUTION: EQUIPMENT DAMAGE

Allowing the engine to shutdown repeatedly on low oil 
level may cause excessive wear which can be cumulative. 

GASOLINE

When using gasoline, always use fresh, clean, unleaded 

fuel. The engine is certified to operate on unleaded gasoline 

with a minimum octane rating of 87 or higher. Gasoline 

containing no more the 10% ethanol is acceptable.

CAUTION: EQUIPMENT DAMAGE

Do not use unapproved gasolines, such as E15 or E85. 
Do not mix oil in the gasoline. Use of unapproved fuels 
will damage the engine components and void the engine 
warranty.

Use of fuels with content of ethanol greater than shown 

above may cause starting and/or performance problems. 

Always ensure that the fuel is clean and free of all 

impurities.

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.

ENGLISH

ENGINE OIL

Recommended Oil

Oil Level Check

Oil Change

AMBIENT TEMPERATURE

OIL FILLER

CAP

UPPER LIMIT
LOWER LIMIT

OIL LEVEL DIPSTICK

UPPER

LIMIT

LOWER

LIMIT

SEALING WASHER

DRAIN BOLT

OIL FILLER CAP

OIL LEVEL DIPSTICK

Synthetic 5W-30

8

Use 4-stroke motor oil that meets or exceeds the requirements for
API service category SJ or later (or equivalent). Always check the
API service label on the oil container to be sure it includes the
letters SJ or later (or equivalent).

Check the engine oil level with the engine stopped and in a level
position.

Start the engine and let it idle for 1 or 2 minutes. Stop the engine
and wait for 2 or 3 minutes.

Remove the oil level dipstick and wipe it clean.

Fully insert the oil level dipstick, then remove it to check the oil
level.

If the oil level is low, remove the oil filler cap, and fill with the
recommended oil to the upper limit mark on the oil level dipstick.

Reinstall the oil level dipstick and oil filler cap.

The Oil Alert system (applicable types) will automatically stop the
engine before the oil level falls below the safe limit. However, to
avoid the inconvenience of an unexpected shutdown, always
check the engine oil level before startup.

Oil is a major factor affecting performance and service life.
Use 4-stroke automotive detergent oil.

Drain the used oil when the engine is warm. Warm oil drains
quickly and completely.

Place a suitable container below the engine to catch the used oil,
then remove the oil filler cap, drain bolt and sealing washer.

Allow the used oil to drain completely, then reinstall the drain
bolt and new sealing washer, and tighten the drain bolt securely.

Please dispose of used motor oil in a manner that is compatible
with the environment. We suggest you take used oil in a sealed
container to your local recycling center or service station for
reclamation. Do not throw it in the trash, pour it on the ground,
or pour it down a drain.

Reinstall the oil filler cap and oil level dipstick securely.

The Oil Alert system (applicable types) will automatically stop
the engine before the oil level 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 recommended oil
to the upper limit mark on the oil level dipstick.

Running the engine with a low oil level can cause engine damage.

This type of damage is not covered by the

Distributor’s Limited

Warranty.

Running the engine with a low oil level can cause engine

damage. This type of damage is not covered by the

Distributor’s

Limited Warranty.

SAE 10W-30 or 5W-30 is recommended for general use. Use a full
synthetic 5W-30 for starting/operating temperatures between 5°F
( 15°C) and

13°F ( 25°C). Other viscosities shown in the chart

may be used when the average temperature in your area is within
the indicated range.

1.

2.

3.

4.

5.

1.

2.

3.

4.

09/07/07 20:34:57 32Z6L600_008

Summary of Contents for WL12000HE-03/A

Page 1: ...ld ever need to contact us concerning this unit it will help us to respond to your needs faster MODEL __________________________________________________ SERIAL NUMBER _________________________________...

Page 2: ...E 17 WIRING DIAGRAM 18 WIRING DIAGRAM 19 CA EVAP EMISSION CONTROL 20 LIMITED WARRANTY 20 SAVE THESE INSTRUCTIONS This manual contains important instructions that should be followed during installation...

Page 3: ...set or fuel tank D Keep a fire extinguisher nearby and know its proper use Fire extinguishers rated ABC by NFPA are appropriate E Store fuel only in an approved container and only in a well ventilated...

Page 4: ...Generator Model Number S20FS 160 A Part Number 351836 1 Rotor Resistance 6 57 Ohms Stator Resistance 0 124 Ohms Cap Winding Resistance 0 60 Ohms Capacitors 31 5 mF Capacitor Part Number 300323 112 ENG...

Page 5: ...e performance these units should never be run in small compartments without positive fresh air flow RESTRICTED USES DO NOT remove from the cradle assembly Removal of the generator from the cradle asse...

Page 6: ...out the same amount of current to run them whether they are Repulsion Induction RI Capacitor Cap or Split Phase SP type If the electric motor is connected to a hard starting load such as an air compre...

Page 7: ...ine in a level position fill with the recommended oil to the upper limit mark on the oil level dipstick Running the engine with a low oil level can cause engine damage This type of damage is not cover...

Page 8: ...EGATIVE 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 connect...

Page 9: ...e the starter Turn the engine switch to the START position and hold it there until the engine starts If the engine fails to start within 5 seconds release the engine switch and wait at least 10 second...

Page 10: ...s and models vary slightly the normal voltage and frequency of the engine generator described in this manual are approximately as follows under varying loads LOAD vs OUTPUT Generator Load Speed RPM Fr...

Page 11: ...sist you The NFPA 70 250 34 35 are good technical references STANDARD PORTABLE GENERATOR Your WINCO portable generator ships with a bonded neutral You can safely use this generator without external gr...

Page 12: ...ution panel must be installed by a licensed electrician according to all applicable codes The electrician will move the critical circuits to be powered during the outage to the emergency panel Keep in...

Page 13: ...ual are approximately as follows under varying loads LOAD vs OUTPUT Generator Load Speed RPM Frequency Hz Voltage 120V Recpt 240V Recpt None 3690 61 5 120V 240V Half 3600 60 0 120V 240V Full 3510 58 5...

Page 14: ...from the receptacles attached to either A or B output legs This generator is capable of producing 45 Amps of 240 volt current at C Check the appliance or tool nameplates for the current and voltage t...

Page 15: ...o length A Start the engine and warm it up stop the engine and remove the spark plug wire to prevent it from accidentally being started B This engine has an oil drain valve for your convenience Attach...

Page 16: ...nt in clean engine oil and squeeze out all the excess before reinstalling it The engine will smoke when started if too much oil is left in the foam H Clean the dirt from the inside of the air cleaner...

Page 17: ...igh pressure spray could contaminate the fuel system and the generator components 1 Keep the air inlet screen on both the engine and generator free of any dirt or debris to ensure proper cooling At le...

Page 18: ...18 OPM 139 E WIRING DIAGRAM WL12000HE 03 A WL12000HE 03 C...

Page 19: ...19 OPM 139 E WIRING DIAGRAM G1 G3 G3 G3 G3 G3 G3 G3 N G1 GND GND GND GND GND N N N N N G1 G1 G1 G1 G1 G1 G1 WL12000HE 03 B WL12000HE 03 D...

Page 20: ...nd Purchaser s sole remedy for a failure under this warranty shall be limited to the repair of the product At WINCO s option material found to be defective in material or workmanship under normal use...

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