TM 5-4310-452-14
Table 5-1. Direct Support and General Support Troubleshooting Procedures (Con't).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. AIR CLEANER FILTER ELEMENT HAS OIL SPOTS.
Check to see if unloader valve is damaged.
Repair or replace unloader valve (see paragraph 5-39).
3. OVERHEATS.
Step 1. Check to see if oil temperature bypass valve is defective.
Repair or replace oil temperature bypass valve (see paragraph 5-36).
Step 2. Check to see if operating pressure is too high.
Repair or replace unloader valve (see paragraph 5-39).
4. AIR DISCHARGE PRESSURE TOO LOW.
Check to see if main unloader valve spring is broken.
Repair or replace unloader valve (see paragraph 5-39).
5. WILL NOT BUILD PRESSURE (SAFETY RELIEF VALVE RELIEVES).
Check to see if unloader valve is damaged.
Repair or replace unloader valve (see paragraph 5-39).
5-3/(5-4 Blank)
