Driving Vehicle - TM-9-2320-386-100123

TM 9-2320-386-10

2-32. OPERATION IN EXTREME COLD (Contd)

d. Driving Vehicle.

CAUTION

Do not exceed 5 mph (8 km/h) when operating vehicle with trans-

fer case in LOW and transmission in "1" (first). Failure to do this

will result in damage to internal engine components.

NOTE

During operation in extreme cold 0 to -65F (-18 to -54C), CTIS

must be turned OFF.

(1) Place transmission gearshift lever (6) in "1" (first) position and transfer

case shift lever (7) in LOW position. Drive vehicle slowly for 100 yds (91 m) to warm

up gearcases and tires.

(2) If vehicle is to be operated on ice or snow, perform steps in para. 2-33b.

e. Stopping or Parking.

CAUTION

Operator must take every precaution to prevent snow from blow-

ing into engine compartment when parked. Snow may melt and

later form ice to jam engine controls.

Ensure engine has achieved and maintained an operating temper-

ature of 160F (71C) for at least 15 minutes before engine shut-

down. Failure to do so may result in engine damage.

NOTE

Do not idle engine for more than 15 minutes.

(1) Park in sheltered area out of wind if possible. Park so vehicle does not

face into the wind if sheltered area is not available.

(2) Park vehicle with wood planks, brush, mats, or canvas under wheels if a

long shutdown period in open area is anticipated.

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