Winco ME5000V/A - Manual (Page 6)

9158-00 Page 4 60707-113
BASIC OPERATION
MANUAL STARTING - Refer to the engine manual for
additional starting, operating, and stopping instructions.
1. Move the choke control to the choke position.
2. Turn the fuel shut-off valve to the on position.
3. Move the stop switch to the run position.
4. Grasp the starter rope and pull slowly untill resistance
is felt. Then pull the cord rapidly to overcome
compression, prevent kickback and start the engine.
Repeat if necessary with the choke in the run postion.
5. When the engine starts move the choke to the run
position.
CAUTION: EQUIPMENT DAMAGE
Never permit the choke to remain on after the engine has
run for a short time. It is not necessary to choke the
engine when it is warm. Avoid over-choking.
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 gasoline.
c. A slightly richer fuel mixture will usually improve
cold starting.
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.
c. DO NOT over-choke the unit.
STOPPING AND STORAGE
1. Depress the stop switch mounted on the front of the
engine housing to stop the engine.
2. Turn off the fuel shut-off 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 as STA-BIL, or an equivalent, will
minimize the formation of gum deposits during
storage. Such an additive may be added to gasoline
in the engine’s fuel tank or to gasoline in a storage
container.
a. Remove the remaining fuel from the fuel tank.
b. 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.
c. While the engine is warm, drain the oil and
refill with fresh oil.
d. Remove the spark plug, pour approximately
1/2 ounce (15 cc) of engine oil into the cylinder
and crank slowly to distribute oil. Replace spark
plug.
e. Clean dirt and chaff from cylinder, cylinder
head fins, blower housing, rotating 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 voltage and frequency.
CAUTION: EQUIPMENT DAMAGE
The output voltage should be checked to insure 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 connected 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 equipment and clocks will be affected if
correct RPM is not maintained. See Load vs. Output chart.
Although individual units and models may vary slightly, the
normal voltage and frequency of the engine-generators
described in this book are approximately as follows, under
varying loads:
LOAD vs. OUTPUT
__________________________________________________________________________________________________________________
Generator Frequency Voltage
Load Speed 120V
Applied* (RPM) (Hz) Recpt.
__________________________________________________________________________________________________________________
None 3750 62.5 116V
Half 3600 60.0 120V
Full 3540 59.0 125V
__________________________________________________________________________________________________________________
*Portion of plant’s rated output current.
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. Whenever making any speed adjustments
check the unit with a voltmeter or tachometer and be sure the
speed is correct.
Lower voltage may damage both the generator and any load
connected to it. Running the engine at excessively high
speeds results in high voltage, which may significantly
shorten the life of appliances being used.
Output voltage should be checked periodically to ensure
continued proper operation of the generating plant and
appliances. If the generator is not equipped with a voltmeter,
it can be checked with a portable meter. Frequency can be
checked by using an electric clock with a sweep second
hand. Timed against a wrist watch or a stop watch the clock
should be correct within +/- 2 seconds per minute.