TM 5-4310-451-14
2-2.
CONTROLS AND INDICATORS (Con’t).
Key
Control or Indicator
Function
3
Engine Coolant
Indicates engine coolant temperature. Normal reading is 160°F-
Temperature Gage
180°F (71 °C-82°C).
4
Engine Oil Pressure
Indicates engine oil pressure. Normal reading is 40-60 psi (276-
Gage
414 kPa) at 1050 rpm.
5
Ammeter
Indicates if alternator function is normal. Needle should indicate on
the "charge" side of zero (0) while air compressor unit is running.
6
Air Pressure Gage
Indicates air pressure inside oil separator.
7
Discharge Temperature
Indicates temperature of air/oil mixture leaving the air compressor.
Gage
Normal reading is 180°F (82°C).
8
Engine Start Button
Engages engine starter to turn and start engine.
TA704685
2-2
