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Winco WT3000H/C User Manual

Page 8

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STARTING HINTS

1.

Cold weather

a. Use the proper oil for the temperature

expected.

b. Use fresh winter grade fuel. Winter grade

gasoline is blended to improve starting. Do

not use summer grade gasoline.

2.

Hot weather

a. Use the proper oil for the temperature

expected.

b. Use only summer blended gasoline. Using

gasoline left over from winter may cause the

unit to vapor lock.

STOPPING AND STORAGE

1. Move the engine switch to the “OFF” position.

2. Turn off the fuel supply valve.

3. Before extended storage (over 30 days) certain

precautions must be taken to ensure the fuel

doesn’t deteriorate and clog the fuel system.

Note: The use of a fuel additive, such a STA-BIL

or equivalent will minimize the formation of gum

deposits during storage. The additive may be added

to gasoline in the engines fuel tank or to gasoline in

a storage container.

a. Add the fuel stabilizer to the fuel in the tank

and run the unit for 2 minutes to circulate the

stabilizer throughout the fuel system.

b. If you choose to remove the remaining fuel

from the fuel tank, it must be drained into an

approved container.

c. Start the engine and allow it to run until all

the fuel in the carburetor and the fuel lines

has been used up and the engine stops.

Note: Running the engine to use up the fuel in the

lines and carburetor will still leave a small amount of

fuel in the carburetor. It is best for extended storage

to treat the fuel before draining.

d. While the engine is warm, drain the oil and

refill with fresh oil.

e. Clean dirt and chaff from cylinder, cylinder

head fins, blower housing, screen and

muffler areas.

f. Store in a clean and dry area.

OPERATING SPEED

The engine-generator must be run at the correct

speed in order to produce the proper electrical volt-

age and frequency.

CAUTION: EQUIPMENT DAMAGE

The output voltage should be checked to ensure

the generator is working properly prior to connecting

a load to the generator. Failure to do so could result

in damage to equipment plugged into the unit and

possible injury to the individual.

All engines have a tendency to slow down when

a load is applied. When the electrical load is con-

nected to the generator, the engine is more heavily

loaded, and as a result the speed drops slightly.

This slight decrease in speed, together with the

voltage drop within the generator itself, results in a

slightly lower voltage when the generator is loaded

to its full capacity than when running no load. The

slight variation in speed also affects the frequency of

the output current. This frequency variation has no

appreciable effect in the operation of motors, lights

and most appliances. However, electronic equip-

ment and clocks will be affected if correct RPM is not

maintained. See Load vs. Output chart.

Although individual units and models vary slightly,

the normal voltage and frequency of the engine-gen-

erator described in this manual are approximately as

follows, under varying loads:

LOAD VS. OUTPUT

Generator

Load

Speed

(RPM)

Frequency

(Hz)

Voltage

None

3690

61.5

125V

Half

3600

60.0

120V

Full

3510

58.5

115V

The speed of the engine was carefully adjusted at

the factory so that the generator produces the proper

voltage and frequency. For normal usage, the speed

setting should not be changed. If the generator is

being run continuously on a very light load, it is often

advisable to lower the operating speed slightly.

CAUTION: EQUIPMENT DAMAGE

SPEED ADJUSTMENTS SHOULD ONLY BE

MADE BY A QUALIFIED SERVICE TECH.

Whenever making any speed adjustments, check

the unit with a voltmeter and a frequency meter

or tachometer and be sure the voltage and speed

are correct.