TM 5-4310-372-14
Table 4-2. TROUBLESHOOTING - continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. COMPRESSOR TOO NOISY WHEN RUNNING - continued
Step 4. Check compressor oil level and quality.
Add oil or change as necessary.
Step 5. Check if air filter is intact and filter element is installed and clean.
Replace filter element.
Step 6. Check for loose fasteners on the compressor (head bolts, etc.)
Tighten bolts.
5. POOR COMPRESSOR PERFORMANCE (Low Capacity or Pressure).
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Step 6.
Step 7.
Step 8.
Step 1. Check for leaks in air lines and fittings.
Tighten fittings or replace leaking parts.
Step 2. Check for overloading of the compressor.
Reduce air use to less than 15 cfm.
Step 3. Check for loose drive belts.
Tighten belts.
Step 4. Check for clogged air inlet filter.
Replace filter.
Step 5. Check for damaged or dirty intake or exhaust valves.
Clean or replace valves (paragraph 4-25).
Step 6. Check for proper engine speed (governor control).
Adjust speed (see TM 9-2805-262-14).
Step 7. Check for leaking head gaskets.
Replace gaskets (paragraph 4-25).
Step 8. Check for the proper operation of the unloader valve.
Repair or replace valve (paragraph 4-21),
4-10
Change 3
