INTERMEDIATE DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
Section I. TROUBLESHOOTING
a. The table in this section lists the common malfunctions which you may find during the operation or maintenance
of the air compressor unit or its components. You should perform the test/inspection and corrective maintenance in the
b. This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If a
malfunction is not listed or it is not corrected by the listed corrective action, notify your supervisor.
Table 4-1. Intermediate Direct Support Troubleshooting Procedures
TEST OR INSPECTION
1. AIR COMPRESSOR OVERHEATS.
2. AIR COMPRESSOR UNIT VIBRATES BADLY.
Inspect air compressor for damaged piston rings, crankshaft, or bearings.
3. LITTLE OR NO AIR PRESSURE BUILD-UP.
Check air compressor for damaged or worn intake or exhaust valves.
Refer to paragraph 4-4 for air compressor disassembly and inspection procedure.