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 TM 9-2320-386-10
2-32. OPERATION IN EXTREME COLD (Contd)
CAUTION
Do not apply parking brake. Doing this may cause brakeshoes to
freeze to brakedrum resulting in damage to parking brake system.
(4) Place chocks in front or behind wheels if parking on a grade.
CAUTION
Water must be drained from fuel filters, air reservoirs, and fuel tank
as soon as possible after operation in extreme cold. Failure to do this
may cause water to freeze, resulting in damage to fuel and air sytems.
f. After Operation.
(2) Fill fuel tanks as soon as possible.
(3) Remove all ice and snow from underside of vehicle, air cleaner intake,
and fuel tank.
(4) Operate power plant heater, if so equipped, for short standby periods
maintenance to store batteries in a warm place.
a. Before Operation.
NOTE
If vehicle is to be operated in extreme cold, perform steps in para. 2-32b
and 2-32c, then proceed to step (3).
CAUTION
Do not attempt operation when only one driving wheel is equipped with
tire chains. Doing this may result in damage to tires and powertrain.
NOTE
Use tire chains on intermediate tires. Remove tire chains as soon
as mission allows or when operating on dry pavement.
(3) Operation on snow or on ice requires use of tire chains on intermediate
driving wheels. (Refer to FM 21-305 for installation of tire chains.)
NOTE
Perform step (4) if tire chains are not available and reinflate to
normal pressure after operation.
During operation in extreme cold 0 to -65F (-18 to -54C),
tires must be manually deflated to 18-22 psi (124-152 kPa)
(4) Place ECU (1) to "S" (sand/mud/snow) setting to deflate tires to 18-22 psi
(124-152 kPa) (para. 2-19).
(5) Remove wheel chocks from vehicle wheels, if used.
Change 1
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