TM-9-2320-366-10-1

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; OPERATOR’S INSTRUCTIONS; VOLUME NO. 1 OF 2

AUGUST 2005

CHANGE 2

TM-9-2320-366-10-1 - Page 360 of 802

TM 9-2320-366-10-1

2-27. VEHICLE OPERATION (CONT)

NOTE

• Water Temperature must be a minimum of 100

°

F (38

°

C) in order to drive

vehicle. Engine will warm up to normal operating temperature of 165

°

F

(74

°

C) more quickly if engine is under a load condition such as driving.

• Vehicle performance, including heater/defroster, will be reduced when engine

operating temperature is between 100

°

F to 165

°

F (38

°

Cto74

°

C). Avoid

conditions requiring maximum performance until engine reaches 165

°

F

(74

°

C).

(11) Operate engine at idle (750 rpm) to warm-up engine until WATER TEMP gage (11)

reaches a minimum of 100

°

F (38

°

C) to begin driving or normal operating temperature

of 165

°

F (74

°

C).

NOTE

Perform step (12) in outside temperatures of 32

°

Fto-25

°

F(0

°

C to -32

°

C),

if extreme or unusual conditions exist such as heavy windshield frost or when

it is difficult to achieve normal operating temperature of 165

°

F (74

°

C).

(12) Perform Rapid Engine Warm-Up (para 2-70).

(13) Check that WATER TEMP gage (11) reads between 100

°

F to 230

°

F (38

°

C to 110

°

C).

If WATER TEMP gage reads in the red zone or high engine temperature indicator

(12)

is

illuminated,

shut

down

engine

(para

2-27f)

and

perform

Engine

Troubleshooting (para 3-3).

2-218

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