TM 5-4310-375-14
Legend for fig 2-1:
FUNCTION
KEY
CONTROL OR INDICATOR
Regulates motor starting and stopping in relation to air pressure
Pressure switch
1
in receiver tank. Has an unloader feature which relieves pressure in
compressor outlet line.
Houses the motor control magnetic contactor, reset button, and
Motor control box
2
ON-OFF switch.
Used to manually reset contactor when low voltage has caused open
3
Reset button
circuit.
Used to turn unit ON or OFF.
4
ON-OFF switch
Indicates pressure of air in receiver tank.
5
Air Pressure gauge
Safety valve
6
Used to protect unit from over-pressure.
Indicates level of oil in air compressor.
7
Oil level sight gauge
Allows air to flow into receiver tank and prevents back flow from
8
Check valve
tank.
9
Globe valve
Used to manually control flow of air from receiver tank to service
hose.
10
Inflator gauge
Used to attach to tires or other systems. Lever controls flow of air
and gauge indicates pressure in serviced item.
Used to drain off condensate and relieve receiver tank pressure after
Receiver drain cock
11
shutdown.
2-2
