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OM 2012
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F. Prepamtion for Power Delivery (Manual Voltage Control)
Preparation for power-delivery using manual voltage control is exactly the same as
far automatic control para. 2, 0, (1) thru (2) above1 except:
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(1) Piace automatic-manual switch (33) in. MANUAL position.
(2) Set the manual voltage contrai rheostat (32) near its mid-range position.
G. Wwer’Deiivety (Manual Voltage Control)
Power delivery using manual voltage contra! is. the same as automatic delivery
Clara. E, (1) thru (5) above1 except:
(1) Gntrai generator output voltage by adjusting the rheostat (32) to maintain a
steady 115-V AC reading on the voltmeter (2). Turn the rheostat (32) knob
CLOCKWISE to INCREASE voltage and COUNTERCLOCKWISE to DECREASE
voltage.
(2) Adjust voltage to 115 V AC..
(3) During manual power delivery the operator mus; remain with the generator set to
adiust output voltage for varying loads and conditions.
H. Discontinue Power Delivery
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(1) tiace thd’ioad contactor switch (20)’ in OFF position. Green light (22) should
go OFF immediately to indicate that the load contactor .has opened and power
is na longer being delivered to the aircraft.
. (2) Place engine-generatorcontroi switch (18) in IDLE pasition.
,
.
(3) Disconnect output’ cable from aircraft .
WARNING: NEVER DISCONNECT THE OUTPUT CABti WHILE POWER IS
BEING DELIVERED.
K. Stopping the Engine
(1) Allow theicngine to id/c a few minutesbefore stopping, to permit coaling.
._. ’
(2) To stop the engine pull the siop control (24 OUT and hold until the engine
.
stops. This control is spring-loaded and should return to the IN position when
released.
Aug 25’85
1-3
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