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ARMY TM 9-2805-257-14
AIR FORCE TO 38G2-103-2
NAVY NAVFAC P-8-612-14E
Table 5-1. Direct Support Troubleshooting Procedures (cont).
Malfunction
Test or Inspection
Corrective Action
Step 2. Check valve adjustment.
Adjust valves as needed (para. 5-16).
Step 3. Inspect and test coil (para. 5-20).
Replace defective coil (para. 5-20).
Step 4. Check for cracked cylinder head and or leaky gasket.
Replace cracked or otherwise damaged cylinder head (para. 5-14).
Step 5. Check intake and exhaust valve for damage or excessive wear.
Replace damaged valve (para. 5-17).
Step 6. Check piston and piston rings for damage or excessive wear.
Replace damaged or worn piston or rings (para. 5-18).
3. ENGINE OIL CONSUMPTION EXCESSIVE.
Step 1. Check crankshaft side oil seal for seepage or leakage.
Replace faulty crankshaft side oil seal (para 5-23).
Step 2. Check flywheel side oil seal for seepage or leakage.
Replace faulty flywheel side oil seal (para 5-21).
Step 3. Check piston and piston rings for wear.
Replace worn or damaged piston and pinton rings (para. 5-18).
4. ENGINE RUNS EXCESSIVELY NOISY.
Step 1. Cheek valve mechanism for bent or otherwise damaged components.
Replace worn or damaged components (para 5-14).
Step 2. Check piston and connecting rod for wear.
Replace worn piston or connecting rod (para 5-18).
5-3
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