Table 4-1. Troubleshooting

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Table 4-1. Troubleshooting

TM-55-1905-223-24-1 Main Propulsion Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

SECTION V. INTERMEDIATE GENERAL SUPPORT MAINTENANCE PROCEDURES

TM 55-1905-223-24-1

Table 4-1.

Troubleshooting

Malfunction

Test or Inspection

Corrective Action CONT.

7. Connecting rod bearing noise.

STEP 1. Check for damaged or out-of-round crankshaft rod journals. Inspect the crankshaft rod

journals. Refer to para. 4-13.

8. Piston noise.

STEP 1. Check for worn or out-of-round cylinder liners. Determine faulty cylinder. Replace the

cylinder liner. Refer to para. 4-19.

9. Engine vibration excessive.

STEP 1. Check for loose or damaged vibration damper. Check vibration damper. Refer to para. 4-

12.

4-5