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CONTROLS, INDICATORS, AND EQUIPMENT | Up
TM-9-2320-280-10 M977 Series 8 x 8 Heavy Expanded Mobility Tactical Trucks (HEMTT) Manual | Next
Directional signal lever activates turn signal lights |
TM 9-2320-280-10
KEY
ITEM AND FUNCTION
5
Engine oil pressure gauge indicates the oil pressure when the engine is running.
6
High beam lamp assembly illuminates when front headlights are switched to high beam position.
7
Coolant temperature gauge indicates engine coolant temperature.
8
Defroster control knob directs heated air to the windshield for defrosting.
9
Instrument panel lights illuminate instrument panel gauges.
10
Heater control knob varies temperature of heated air into vehicle.
11
Heater fan switch controls the blower motor speed. The switch has “HI” (high), "OFF", and 'LO"
(low) settings to regulate defroster and heater air flow into vehicle.
12
Voltmeter indicates the charging level and activity of the battery charging system.
13
Speedometer/odometer indicates vehicle speed and accumulated mileage.
14
Fuel gauge indicates amount of fuel in fuel tank.
15
Hand throttle increases engine speed for use during cold weather starting, winch operation, deep
water fording, and to obtain maximum alternator output for communications/electrical
requirements, and is not to be used as an automatic speed or cruise control.
16
Accelerator pedal is the operator's foot control for varying engine speed.
17
Service brake pedal is depressed to slow or stop vehicle.
18
Dimmer switch permits the operator to select high or low headlight beam.
19
Light switch controls operation of vehicle service lights and blackout lights.
20
Directional signal /emergency flasher indicator light illuminates during directional signal or
emergency flasher use.
2-3
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