TM-9-2320-361-10

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

OPERATOR'S MANUAL

DECEMBER 1988

TM-9-2320-361-10 - Page 246 of 392

TM 9-2320-3061-10

2-37. OPERATION IN EXTREME HEAT

a. General.

Extreme heat exists when outside temperature exceeds 95°F (35°C).

The effect of extreme heat on vehicle engine is a decrease in engine efficiency.

Operators must adjust driving to conditions when operating in extreme heat.

b. Before Operation.

(1)

Perform before operation PMCS. Refer to table 2-2.

WARNING

Compressed air used for cleaning purposes will not exceed

30 psi. Use only with effective chip guarding and personal

protective equipment (goggles/shield, gloves, etc.).

(2)

Check for sand and insects embedded in front of radiator. Blow out all

such obstructions with compressed air.

(3)

If vehicle is to be operated in deep sand, deflate tire pressure to 15 psi

(103 kPa). Refer to para. 3-14f.

NOTE

Avoid continuous vehicle operation at high speeds. Avoid

long, hard pulls on steep grades with transfer case shift lever

in LOW position.

c. Driving Vehicle.

(1)

Start engine. Refer to para. 2-14.

NOT E

If vehicle is to be operated in dusty or sandy areas, place

transmission gearshift lever in “2” (second) position and

transfer case shift lever in LOW position.

(2)

Place vehicle in motion. Refer to para. 2-16.

(3)

Frequently check air cleaner indicator (2). If indicator (2) shows red, stop

the vehicle and engine (refer to para. 2-17) and perform emergency air cleaner

service (refer to para. 3-13).

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