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(3) Speed control device
• Throttle lever
START/IDLING
r i m
This lever is used to control the engine speed. Set the
lever at the "START/IDLING" position for startup or
warm up/cooling operation of the engine and at the
"RUN'' position for constant speed operation of the
machine (at 50Hz or 60Hz).
Frequency adjusting screw
LOW
This screw is used to adjust the frequency. With the
throttle lever set at the "RUN" position, turn th e screw to
the "HIGH" side to increase the frequency and to the
"LOW" side to decrease it.
(4) Circuit breaker
O N
This is a main switch to supply power to a load.
When the load is shorted or in the state of overload, it
trips to protect the generator against trouble.
[Note]
Do not use this circuit breaker to turn ON/OFF th e load,
to prevent damage to the circuit breaker.
When it trips with overcurrent, the handle of the
breaker stops between ON and OFF positions. This is
what is called the trip condition.
In this case, push the handle down to the OFF position
to reset it, or else, it cannot be set in ON position.
(5) Fuel priming pump button
.Air vent plug
l l T O J
Fuel filter
(60USH)
The 45USI-USI2, and 60USH are provided with an fuel
priming pump button. The button is used to vent the air
contained in fuelpiping before the engine that has been stop
ped because of fuel shortage, etc. is started.
In such a case, set the starter switch to "Run", press
down the fuel priming pump button for about 1 minute,
and then start the engine.
If the engine rotation is found unstable after it is started,
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