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Page Title:
Table 5-1. Direct Support Troubleshooting - Continued |
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 TM 5-4930-233-14
TM 4930-14/1
Table 5-1. Direct Support Troubleshooting - Continued
ITEM
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3. Check crankshaft for excessive end play.
Remove one end cover gasket (paragraph 5-14).
Step 4. Check torque on head valve hold down cover screws.
Tighten hold down cover screws to correct torque (paragraph 5-15).
Step 5. Inspect for loose or worn internal parts.
Replace and tighten internal parts as necessary (paragraph 5-14).
4.
COMPRESSOR OVERHEATS
Step 1. Inspect for properly seated head valves.
Disassemble head and seat valves correctly (paragraph 5-15).
Step 2. Check for blown cylinder head gasket.
Replace cylinder head gasket (paragraph 5-14).
AXLE ASSEMBLY
1.
TRAILER TIRES WEAR UNEVENLY
Step 1. Check wheel bearing adjustment.
Adjust wheel bearings (paragraph 5-25).
Step 2. Inspect axle tube for bends.
Remove (paragraph 5-24) and straighten axle.
2.
WHEEL HUB RUNS EXCESSIVELY HOT
Check wheel bearings for adequate lubrication.
Remove and pack wheel bearings.
5-7
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