0004
TM 1-1740-221-13&P&P
DESCRIPTION AND USE OF CONTROLS AND INDICATORS - (CONTINUED)
KEY
CONTROL/INDICATOR
FUNCTION
4
Oil Pressure Gauge
Indicates oil pressure only (not oil level). It is marked 0 to 100 PSI with
intermediate index marks. If the gauge registers less than 20 psi or
more than 60 PSI at operating rpm, stop the engine and troubleshoot
the cause.
5
Transmission Temperature Shows the temperature of the transmission luid. Normal operating
Gauge
temperature is in the 160 to 200 F range. If the needle goes past 250
F, stop the engine and troubleshoot the cause.
6
Rotary Dimmer Switch
Controls intensity of back lit dash panel.
7
Glow Plug Switch
Controls glow plugs to preheat combustion chambers.
8
Gear Shift Lever
Permits selection of forward or reverse gears and a neutral and park
position.
9
Park Brake Lever
Provides emergency braking
10
Work Light Switch
Controls the rear work lights.
11
Headlight/Tail Light Switch Turns on low beam headlights and the tail lights.
12
Fuel Gauge
Shows the amount of fuel in the fuel tank. A sending unit in the tank is
connected to the gauge. The gauge is marked 0, 2/4, and 4/4 to indicate
the relative quantity of fuel in the tank. Be sure you have suficient fuel
to complete your planned operation.
13
Hour Meter
Registers how many hours the engine has operated. It is sealed and
can record 99999.9 hours before it returns to zero.
14
Ignition Switch
A rotary type with OFF, RUN, and START positions.
15
Park Brake Applied
Indicates that the park brake is engaged.
Indicator
16
Brake System Failure
Indicates a fault in the brake system.
Indicator
17
Engine High Temperature
Indicates the engine temperature.
Indicator
18
Engine Warning Low Oil
Indicates the engine oil is low.
Pressure Indicator
19
Engine Pre-Heater
(Glow Plug) Indicator indicates the engine is pre-heated.
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