TM 5-4310-377-13
Table 3-2. Unit Maintenance Troubleshooting (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6.
LITTLE OR NO AIR PRESSURE BUILDUP (Continued).
Step 3. Check for leaking or broken tubing.
If tubing is defective, replace defective tubing (para 3-20).
If tubing is not defective, proceed to step 4.
Step 4. Disconnect all electrical power to the compressor. Disconnect piping. Remove four bolts (1), head (2),
and gasket (3). Inspect for loose, damaged or dirty valve assemblies. Inspect for cracks, torn or defective head
gasket. Repeat for other two cylinders.
If valve is loose, tighten valve push cover (4). Install new head gasket (3), head (2), and four bolts (1).
Tighten all four bolts (1) securely. Reconnect piping.
If valve assembly is damaged replace valve assembly. Install new head gasket (3), head (2), and four bolts
(1). Tighten all four bolts (1) securely. Reconnect piping.
If valve assembly is dirty, clean valve assembly. Install new head gasket (3), head (2), and four bolts (1).
Tighten all four bolts (1) securely. Reconnect piping.
If head gasket is defective, replace head gasket. Install new head gasket (3), head (2), and four bolts (1).
Tighten all four bolts (1) securely. Reconnect piping.
If the above steps do not correct the malfunction, notify Forward Intermediate Maintenance.
3-14
