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Table 3-63. Anchor Winch Engine High Lubricating Oil Consumption Troubleshooting.

TM-55-1905-219-14-3 Landing Craft Utility (LCU) 1667 Class Boston Hull Numbers 1667-1670 NSN 1905-00-168-5764 Manual

Table 3-64. Anchor Winch Engine Excessive Crankcase

TM 11-1905-219-14-3

Table 3-63. Anchor Winch Engine High Lubricating

Oil Consumption Troubleshooting (Cont.).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

2. Internal leaks (Cont.)

Step 2.

Check oil cooler core for leaking.

Inspect the engine coolant for lubricating oil contamination; if

contaminated, replace the oil cooler core. Then use a good

grade of cooling system cleaner to remove the oil from the

cooling system. Refer to paragraph 3-169.

3. Oil control at cylinder.

Step 1.

Check for oil control rings that are worn, broken or improperly installed.

Replace the oil control rings. Refer to paragraph 3-170.

Step 2.

Check piston pin retainer for looseness.

Replace the piston pin retainer and defective parts. Refer to paragraph 3-

170.

Step 3.

Check for scored liners, pistons or oil rings.

Remove and replace the defective parts.

Step 4.

Check piston and rod alignment.

Check the crankshaft thrust washers for wear.

Replace worn and defective parts. Refer to paragraph 3-170.

Step 5.

Check for excessive oil in crankcase.

Fill the crankcase to the proper level only.

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