TM 5-4310-372-14
TABLE 4-2 TROUBLESHOOTING - continued
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Malfunction
6. COMPRESSOR OVERHEATS
7 .
Step 1.
Step 2.
Step 3.
Step 4 .
Step 5.
Step 6.
C h e c k for low oil level and quality of oil.
Add oil or change as necessary.
C h e c k for dirt in intercooler or cylinder fins.
Remove dirt.
Check that compressor is getting adequate
v e n t i l a t i o n .
Move compressor to a site where air can
circulate, or otherwise improve ventilation.
Check for clogged air intake filters.
R e p l a c e i n t a k e f i l t e r s.
Check intake and exhaust valves.
Clean or replace valves (paragraph 4-25).
Check for the proper functioning of the unloader
valve.
Air should be blowing out of the muffler
freely when tank pressure exceeds 195 psi +/-5 psi.
a.
Unscrew the muffler and blow out any dirt
with compressed air.
b.
Reinstall the muffler.
EXCESSIVE COMPRESSOR OIL CONSUMPTION.
Step 1.
Check for incorrect or inferior grade of compressor
o i l .
Replace compressor crankcase oil.
a.
Position suitable container beneath
compressor crankcase drain pipe and
remove plug (1) from pipe.
4-11
