- 47 -
(8) Set the speed change-over switch to
"START/IDLING" position and let the
engine idle for about 5 minutes. The engine
speed during idling will be 650 min
-1
.
(9) After warming up the engine, set the speed
change-over switch to the "RUN" position.
Check if the idling speed and the frequency
are similar to the specified value in the following
table.
If the idling speed is not as specified or change
of frequency is required, adjust the idling speed
using the speed regulator.
If the idling speed set above speed, frequency
becomes nearly 50Hz or 60Hz in the rated load.
(10) Set the voltage to the rated voltage using
the voltage regulator.
(11) Turn the circuit breaker to the "ON" position.
The machine starts power transmission state.
Commercial freque
ncy
Idling speed
Operation at 50Hz
1575min
-
1
(52.5Hz)
Operation at 60Hz
1875min
-
1
(62.5Hz)
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