TM 5-4310-451-14
2-21.
OPERATION IN EXTREME COLD OR SNOW (Con’t).
WARNING
DO NOT attempt to Jump start If battery fluid appears frozen. Bring temperature of batteries up to
40 F (4 0C) before attempting to Jump start. Failure to follow this warning may cause an
explosion, resulting In serious Injury to personnel.
(3)
Cover 12 open cells (3) of two batteries (1) with clean dampened cloths.
WARNING
DO NOT attempt to jump start with two 12-volt passenger car batteries connected In series. Both
12-volt batteries must have an ampere rating equivalent to or larger than 24-volt batteries supplied
with air compressor unit. If batteries overheat, Injury to personnel will result.
(4)
Position starting vehicle next to air compressor unit. Do not permit metal-to-metal contact between air
compressor unit and starting vehicle.
(5)
Set handbrake lever on air compressor unit and parking brake on starting vehicle.
(6)
Place starting vehicle in neutral or park and turn off all nonessential accessory electrical loads.
Keep engine running.
WARNING
• Use only Jumper cables that are clean, In good condition, and are heavy enough to handle starting
current. A shorted or melted wire will result In Injury to personnel.
• Avoid contact between Jumper cable terminal clamp and any metallic portion of either air
compressor unit or starting vehicle. A direct short will result In Injury to personnel.
(7)
Connect red positive (+) cable to positive (+) terminal of starting vehicle battery. If starting vehicle Is
equipped with two 12-volt batteries connected in series, connect jumper cable to positive (+) terminal of ungrounded
battery.
TA704697
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