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TM 5-4210-233-14&P-1
Table 4-2. Unit Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
AIR SYSTEM/BRAKES
1
AIR COMPRESSOR FAILS TO MAINTAIN PRESSURE OR ADEQUATE AIR SUPPLY
Step
1.
Check compressor air cleaner.
Replace compressor air cleaner if blocked.
Step
2.
Check hose between engine and compressor is not kinked or leaking.
Replace hose.
Step
3.
Check for excessive system leakage.
Close air drain valves.
Replace broken hose, leaking air tank, etc., or close air drain valve.
2
AIR COMPRESSOR NOISY
Step
1.
Check for restriction in discharge line to air drier.
a.
Remove restriction.
b.
Replace hose (see para 4-9).
Step
2.
Check oil flow to compressor.
Replace hose or fittings (see para 4-9).
Step
3.
Notify Direct Support.
3
AIR RESERVOIRS AT 110 PSI (760 kPa) OR GREATER
Step
1.
Check for restriction or leak in control hose between air drier and governor.
Replace hose or fittings (see para 4-9).
Step
2.
Notify Direct Support.
4-34
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