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TABLE 3-1. OPERATOR/CREW TROUBLESHOOTING - TM-5-4310-370-140020
V BELT BREAKAGE - TM-5-4310-370-140022

TM-5-4310-370-14 Compressor Unit Reciprocating Electric 5 CFM 175 PSI (4310-01-089-4330) Manual
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TM 5-4310-370-14
TABLE 3-1. OPERATOR/CREW TROUBLESHOOTING (Cont'd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 1.
Check pressure gage for amount of pressure in air receiver as
compressor unit will not come on until pressure is below 175 PSI
(12.1 bars).
Step 2.
If pressure is below 175 PSI (12.1 bars), check to make sure all
wiring connections are tight.
Tighten all electrical connections.
Step 3.
Check to see that pressure switch is tight to air receiver.
Tighten pressure switch, located next to motor. If unit
does not start, refer further service to higher level of
maintenance. (See APPENDIX B)
5. MOTOR IS RUNNING, BUT COMPRESSOR PUMP IS NOT
WARNING
Disconnect compressor unit from main power supply before performing check(s)
or inspection, to avoid personal injury.
Step 1.
Check V Belts for slippage or looseness.
Tighten belts as described in Chapter 3, Section III,
paragraph 3-4.
6. MOTOR OVERHEATS
Step 1.
If compressor unit shuts down and motor is very hot to the
touch of the hand.
Allow motor to cool until it is cool to the touch of the
hand.
After motor has cooled, it will automatically reset itself
and begin to operate again.
If cooled motor does not reset and operate, refer further
service to higher level of maintenance. (See APPENDIX B)
3-5






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