TM 55-2210-224-12
Table 3-1. Operator Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
AIR COMPRESSOR
1. COMPRESSOR FAILS TO PUMP AIR.
Step 1. Check for leaking air hoses or gaskets.
Tighten air hoses. If leaks still exist, notify unit maintenance.
Step 2. Check for leaking angle or drain cocks.
Tighten connections. If leaks still exist, notify unit maintenance.
Step 3. Check for bad compressor valve, causing excessive operation and
overheating.
Notify unit maintenance.
Step 4. Check for broken, loose, or stretched air compressor belts.
Notify unit maintenance.
2. INSUFFICIENT AIR PRESSURE AS SHOWN BY LOW AIR PRESSURE GAGES.
Step 1. Check for low pressure buildup.
Allow time for pressure buildup.
Step 2. Check for open air reservoir drain cocks.
Close drain cocks securely.
Step 3. Check for loose connections in all lines.
Tighten loose connections. If leaks still exist, notify unit
maintenance.
AUXILIARY ELECTRICAL SYSTEM
3. BATTERY VOLTMETER SHOWS DISCHARGE.
Check for loose or broken alternator drive belts.
Notify unit maintenance.
3-3
