TM 5-4310-451-14
Table 3-1. Operator/Crew Troubleshooting (Con’t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
Check for dirty or clogged air compressor oil cooler.
Clean air compressor oil cooler.
Step 3.
Check for loose, slipping, or broken fan belt.
If fan belt is loose, slipping, or broken, notify your supervisor.
13. AIR COMPRESSOR SHUTS DOWN WITH AIR DEMAND PRESENT.
Step 1.
Check level of fuel in fuel tank.
If empty, fill tank with fuel (see Lubrication Instructions, Chapter 3, Section I).
Step 2.
Check oil level in oil separator.
If oil level is low, fill oil separator with oil (see Lubrication Instructions, Chapter 3, Section I).
14. AIR DISCHARGE CAPACITY TOO LOW.
WARNING
If NBC exposure is suspected, all engine air cleaner air filter media should be handled by
personnel wearing protective equipment. Consult your NBC Officer or NBC NCO for appropriate
handling or disposal procedures.
Step 1.
Check air compressor air cleaner restriction indicator.
If red condition Is present, clean air compressor air cleaner (see paragraph 3-6).
Step 2.
Check to see if air compressor maintains proper air line pressure of 100 psi (690 kPa) on discharge
gage.
If air compressor does not maintain proper air line pressure, notify your supervisor.
Step 3.
Check service lines for leaks.
If leaks are found, notify your supervisor.
15. OIL CONSUMPTION TOO HIGH.
Step 1.
Ensure that air compressor unit is level.
Reposition air compressor unit as required.
Step 2..
Check lubrication oil system for leaks.
If leaks are found, notify your supervisor.
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