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Chapter 4. INTERMEDIATE DIRECT SUPPORT MAINTENANCE INSTRUCTIONS - TM-5-4310-378-140109
LITTLE OR NO AIR PRESSURE BUILDUP. - TM-5-4310-378-140111

TM-5-4310-378-14 Compressor Unit Reciprocating 5 CFM 175 PSI Gasoline Engine Driven Hand Truck Mounted Model Number Manual
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TM 5-4310-378-14
Table 4-1. Intermediate Direct Support Maintenance Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
SEVERE VIBRATION.
Disassemble and inspect crankshaft and bearing.
Replace defective crankshaft or bearings.
ABNORMAL NOISE.
2.
Check for loose valve assembly.
Step 1.
Repeat for other two cylinders.
If valve is loose, tighten valve push
cover (5). Install new head gasket (4),
head (3), eight washers (2), and four
bolts (1). Tighten all four bolts (1)
securely. Reconnect piping.
Check for signs of piston striking
Step 2.
head.
If piston was striking head, install
two new gaskets (4), head (3), eight
flat washers (2) and four bolts (l).
Tighten all four bolts securely.
Reconnect piping.
If the above corrective actions do not
correct the malfunction, notify your
supervisor.
4-2
Change 3






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