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 TM 55-1905-223-24-3
4-16. REMOVE/REPAIR CRANKSHAFT GROUP.
This task covers:
a. Removal,
b. Repair,
c. Replacement
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's rail
Crankshaft pulley and dampener
and marine diesel engines,
removed, para. 3-26.
Gear cover assembly removed,
Engine lifting fixture P/N 3822512
Engine lifting sling P/N 3375958
Oil pan group removed, para. 3-21.
Main bearing cap puller
P/N ST-1178
Gear puller P/N 3375082
Materials/Parts
Metal cleaning solvent,
Item 6, Appendix C
Lubriplate, Item 28, Appendix C
Crocus cloth (fine),
Item 26, Appendix C
Ring, retaining (dowel) P/N 3037045
Crankshaft, engine P/N 360883
Lubricating oil, Item 2, Appendix C
Protective gloves, Item 40, Appendix C
REMOVAL
CAUTION
Do not damage the crankshaft when removing the key.
a.
Remove the crankshaft gear (10, Figure 4-39) with a gear puller and remove key (9).
b.
Remove the engine main bearings (1, 2, 4, 6, 7, and 8) and thrust bearings (3) as follows:
CAUTION
The main bearing caps are marked for position on the camshaft side and the
cylinder block identification on the exhaust side. Mark any caps that are not
marked before removing them from the cylinder block.
4-89
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