TM 5-4310-373-14
Table 3-1. Troubleshooting continued
Malfunction
Test or Inspection
Corrective Action
2. TANK PRESSURE IS LOW, PUMPING RATE IS SLOW - continued.
Step 3. Check for air leaks, using soapy water if necessary. Check around alI air connections.
a. Tighten loose connections.
b. Notify organizational maintenance if tightening does not eliminate leak.
3. COMPRESSOR OIL CONSUMPTION IS EXCESSIVE.
Step 1. Check oil.
OE-30 should be used. Change oil if too light.
Step 2. Oil rings of new or rebuilt pump may take some time to seat in cylinder walls.
a. Oil consumption should drop once rings are seated.
b. Notify organizational maintenance if oil consumption does not drop.
4. COMPRESSOR RUNS NOISY.
Step 1. Check for loose mounting bolts.
Tighten bolts.
Step 2. Check for loose belt guard.
Tighten mounting screws.
Figure 3-5. Compressor mounting bolts
3-4
