Quantcast Table 3-1. Troubleshooting - continued - TM-55-1905-223-24-10172

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TM 55-1905-223-24-1
Table 3-1. Troubleshooting - CONT
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11. Connecting rod bearing noise.
STEP 1.
Check if connecting rod capscrews are loose or not tightened correctly.
Secure the connecting rod capscrews. Refer to para. 3-25.
STEP 2.
Connecting rod bearings are not assembled correctly, damaged,
worn, or wrong bearings installed.
Replace the connecting rod bearings. Refer to para. 3-25.
STEP 3.
Check if connecting rod(s) are bent.
Replace connecting rod(s). Refer to para. 3-25.
2.
Piston noise.
STEP 1.
Check for loose or worn piston pin or bushing.
Replace piston. Refer to para. 3-25.
STEP 2.
Check for cracked or broken piston.
Replace piston. Refer to para. 3-25.
STEP 3.
Connecting rod(s) are bent.
Replace connecting rod(s). Refer to para. 3-25.
STEP 4.
Check for worn or broken piston rings.
Determine faulty cylinder. Replace the piston rings. Refer to para. 3-25.
13. Engine vibration excessive.
STEP 1.
Check for loose or damaged engine mounts.
Tighten and check engine mountings. Refer to para. 3-20.
STEP 2.
Check for loose or damaged flywheel.
Secure or replace flywheel. Refer to para. 3-26.
3-6


 


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