TM 5-4310-451-14
2-21.
OPERATION IN EXTREME COLD OR SNOW (Cont).
(8)
Connect other end of red positive (+) cable to positive (+) terminal of ungrounded air compressor unit
battery.
(9)
Connect black negative (-) cable to grounded negative terminal of starting vehicle battery. If starting vehicle
is equipped with two 12-volt batteries connected in series, connect jumper cable to negative (-) terminal of grounded
battery.
(10)
Connect other end of black negative (-) cable to air compressor unit frame.
(11)
Start air compressor unit (see paragraph 2-10). Avoid prolonged cranking. If necessary, check jumper
cables, terminals, and batteries frequently for overheating. If hot to touch, wait for item to cool before attempting to start
again.
(12)
Allow air compressor unit engine to warm up. When engine Is warm and operating smoothly at normal idle
rpm, disconnect black negative (-) cable first from air compressor unit frame and then from starting vehicle battery.
(13)
Disconnect red positive (+) cable first from air compressor unit battery and then from starting vehicle battery.
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