TM 5-3895-370-14&P
2-2. LOCATION AND USE OF CONTROLS AND INDICATORS (CONT).
Table 2-1. Controls and Indicators
Key
Control/Indicator
Function
1
Key Switch
Turns on power. Provides power to electrical system.
Starts the engine when start button (2) is depressed.
2
Start Button
Starts the engine when key switch (1) is turned to RUN.
3
Tachometer
Indicates engine speed in revolutions per minute (RPM).
4
Oil Pressure Gage
Measures engine oil pressure in pounds per square inch (psi) and kilopascals
(kPa). Normal operating range should be 35 to 60 psi (241-414 kPa).
5
Water Temperature
Measures engine coolant temperature in degrees Fahrenheit and Celsius.
Coolant Gage temperature should not fall below 180 degrees F (82 degrees C).
6
Fuel Gage
Indicates level of fuel in tank.
7
Voltmeter Gage
Measures electrical system charge during operation. Charge should not fall
below 24 volts.
8
Hour Meter
Indicates hours of elapsed operation time.
9
Reset Button
Allows engine to start after preventing its starting due to lack of oil pressure.
10
Gage Panel Light Switch
Provides power to gage panel lights.
2-2
