TM 5-4310-452-14
2-2. CONTROLS AND INDICATORS.
Key
Component
Description
1
Discharge Pressure
Indicates the pressure of air leaving the compressor. Should be 80-120 psi (552-827
kPa).
2
Tach/Hourmeter
The tachometer portion indicates the engine speed in revolutions per minute (rpm).
The hourmeter portion of this gage indicates and records the total number of hours
of actual operation.
3
Engine Oil Pressure
Indicates engine oil pressure. Normal engine oil pressure is 60-80 psi (414-552
kPa).
4
Fuel Pressure
Indicates engine fuel pressure. Normal fuel pressure is 4-6 psi (28-41 kPa).
5
Fuel Level
Indicates how much fuel is in the fuel tank.
6
Ammeter
Indicates if the alternator function is normal. Needle should indicate on the positive
(+) side of "0" while the compressor unit is running.
7
Compressor Oil Temp
indicates compressor oil temperature. Should indicate 150°
-230°F (66°-110°C).
TA505394
2-2
