TM 9-2320-360-10
2-25. OPERATION IN COLD ENVIRONMENT, -25 t 32 F (-32 to 0C)(CONT)
CAUTION
Do not hit axle breathers when cleaning mud, snow, and ice from
axles. Damage to axle breathers could result.
NOTE
Ensure axle breather vent caps move freely on breather body.
(5) Clean mud, snow, and ice from wheels, brakes, axles, universal joints, mirrors, steering
mechanism, and radiator as soon as possible. Ensure all components are thoroughly dry
after cleaning.
2-26. OPERATION IN EXTREMELY COLD ENVIRONMENT, -50 to -26 F (-46 to -32 C)
WARNING
Do not touch extremely cold metal with bare skin. Bare skin may
freeze to metal causing personnel injury.
CAUTION
Drain fuel/water separator before topping off fuel tanks. Keep
fuel tanks full during cold environment operations. Water forms
in empty tanks as they cool. Water in system can freeze and
block fuel flow to engine.
Special care must be used during cold environment operations.
In severe cold, engine coolant and windshield washer fluid can
freeze. Batteries can freeze and crack. Oil and grease may get
thick and stiff. Rubber will easily crack.
Do not force dip stick removal in cold environment. Wait 3 to 5
minutes after loosening dipstick before attempting to remove.
Failure to comply may result in damage to equipment.
NOTE
Before operating HET Tractor in extremely cold environment,
ensure engine arctic kit is installed.
Prepare HET Tractor, as described in FM 9-207, before operating
in cold environment. Refer to FM 31-70, FM 3-71, and FM 21-305
for additional information on operation in cold environment.
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