ARMY TM 9-2815-254-24
AIR FORCE TO 38G1-94-2
2-4.2.
Extremely cold outside temperatures make starting the engine difficult. To improve engine starting, a cold weather
starting aid has been provided that features a glow plug for each cylinder. The glow plugs are energized to preheat
engine combustion air during engine preheat starting cycle.
2-5.
ELECTRICAL SYSTEM.
The electrical system consists of external mounted batteries, starter, battery charging alternator, and related re-
lays and switches for control of the system. Battery power supplied to the starter during the start cycle energizes
the starter which engages the ring gear of the flywheel causing the engine to turn over. When engine start is com-
plete, the starter is deenergized and disengages from the flywheel. The battery charging alternator is belt driven. It
is a 20 ampere, 24 VDC alternator that when operating, supplies voltage to the 24 VDC circuit and recharges the
batteries and maintains them at a full state of charge.
2-2
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