TM 5-4310-386-14
Table 4-2. Unit Troubleshooting Procedures (Cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
20. COMPRESSED AIR HAS OILY TASTE.
Step 1. Check to see if wrong oil is being used.
Drain and replace.
Step 2. Check to see if cartridge life has expired.
Notify Direct Support Maintenance. Replace.
NOTE
Small air bubbles are normal in sight glass when compressor is above 4500 psi.
21. COMPRESSOR DOES NOT ATTAIN FINAL PRESSURE.
Step 1. Check to see if final stage safety valve is opening prematurely.
Notify Direct Support Maintenance.
Step 2. Check to see if condensate drain valves or fittings are leaking.
Tighten and reseal.
22. EXCESSIVE VIBRATION OF UNIT.
Step 1. Check antivibration mounts for wear, looseness, or damage.
Tighten.
Step 2. Check to see if compressor or engine bolts are loose.
Tighten any loose hardware.
23. CONDENSATE DRAIN SYSTEM NOT DRAINING (COLD WEATHER ONLY).
Step 1. Check to see if condensate heater switch and light are on.
Step 2. Check fuse.
Replace defective fuse (para. 4-43).
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