Creation:03.09 — 2009 1-2-3
Operation
2. Unit Operation
This section contains information and instructions for the safe and efficient operation of the unit.
A. Prestart Inspection
(1) Check the engine oil level.
(2) Check the coolant level.
(3) Make a visual check of the unit for conditions which could affect serviceability.
B. Engine Starting Procedures
The engine and generator operating controls and monitoring equipment are mounted on the
instrument panel as illustrated in Figure 14.
(1) Turn the ignition switch to the "START" position.
(2) Release the ignition switch when the engine starts.
(3) The engine is now running at idle speed. Let the engine warm up to the operating
temperature.
(4) Hold the engine switch in the “"UP" position momentarily to bring the engine to
operating speed abd to build up generator voltage.
C. Starting Engine in Cold Weather
This engine is equipped with an automatic intake manifold heater. Pre-heating to the heater
takes place automatically when the engine ambient temperature reaches a predetermined
value.
The heater light illustrates when pre-heating is taking place. Wait until the heater light goes
out then follow the normal starting procedure.
D. Delivering Power to the Aircraft
(1) Connect the power cable to the AC external power receptacle on the aircraft.
(2) Hold the contactor switch (#1 output) in the "CLOSE" position.
(3) When the output lamp (#1) lights, release the contactor switch.
(4) External power is now being supplied to the aircraft.
WARNING:
IMPROPER OPERATION CAN KILL! READ AND UNDERSTAND
ALL OF THE OPERATING INSTRUCTIONS BEFORE
ATTEMPTING TO OPERATE THE UNIT.
NOTE:
Always wait until the heater light goes out then start the engine
to ensure a successful and clean start.
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