TM 5-6640-212-14
Table 3-4. Air Compressor Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
AIR COMPRESSOR FAILS TO COMPRESS AIR.
Step 1.
Check for lack of oil pressure.
a.
Check crankcase oil level.
b.
Clean strainer in base of pump.
c.
Clean or replace ball check in plunger or
pneumatic cushion port plug.
Step 2.
Check for dirty ball check or seat.
Clean ball check or ball check seat.
5.
SAFETY VALVE IN AIR STORAGE TANK LEAKS.
Dirt around seat of valve.
Clean valve seat.
3-13
