TM 5-4310-368-14
Table 2-1. Operator Controls and Indicators on the Instrument Panel
CONTROL OR INDICATOR
FUNCTION
Fuel gage
Indicates amount of gasoline in the 25 gallon tank.
Indicates whether electricity is from alternator (+ to indicate
battery is charging) or from the battery ( - for discharge).
Compressor Hourmeter
Indicates total running hours of the compressor from 000.0
to 999.9.
Compressor Oil Pressure Gage
Indicates lubricating oil pressure in the air compressor.
Service Hose Pressure Gage
Indicates delivery air pressure from the service hose shut-
off valve through the service hose.
Receiver Pressure Gage
Indicates air pressure in the air receiver.
Interstage Pressure Gages
Indicate the discharge pressure for the first through the
fourth stages.
Dehydrator Bleed Valve
Releases pressure inside two air dryer cylinders before air
dryer cartridges are changed.
Service Hose Shut-Off Valve
Allows air flow from the air receiver to the hose disconnect
fitting.
Receiver Drain Valve
Allows bleeding of the air receiver to atmosphere.
Hose Bleed Valve
Bleeds pressure in the service hose and in piping after
Service Hose Shut-Off valve has been closed before
disconnecting service hose.
Hose Quick Disconnect Fitting
Allows quick connection and removal of service air hose.
Heater Fire Rate Switch
Turns on on-board compartment heater to 30,000 BTU's
(Hi-Fire) or to 20,000 BTU's (Low-Fire).
Heater Circuit Breaker
Protects on-board compartment heater wiring.
Heater Indicator Lamp
Indicates with amber light that compartment heater is on
and delivering heat.
2-2
