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 TM 55-1905-223-24-5
4-19. Replace/Repair Crankshaft Group.
This task covers: a. Removal,
b. Repair,
c. Replacement.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's
Water pump belt removed (para. 2-29).
rail and marine diesel engine,
Fuel pump removed (para. 2-33).
Seawater pump removed (para. 2-37).
Strap wrench, P/N 3376807
Oil drained (PMCS Table 2-1, Item 12).
Torque wrench kit P/N 3377216
Accessory drive pulley removed
Main bearing cap puller P/N ST-1178
Gear puller P/N 3375840
Gear cover group removed (para. 3-20).
Engine lifting fixture P/N 3822512
Oil pan group removed (para. 2-44).
Dial indicator 5120-00-277-8840
PTO (SL 111 HP2) to firepump removed
Machinists measuring tool kit
5288-00-278-9919
Materials/Parts
Bearing set P/N 3801260
Engine crankshaft P/N 3608833
Lubricating oil, Item 1, Appendix C
Crocus cloth, Item 14, Appendix C
Lubriplate 105, Item 11, Appendix C
Soft bristle brush
REMOVAL (Refer to FIGURE 4-42).
NOTE
The gear cover and oil pan assemblies must be removed from
the engine before removing the crankshaft assembly
(paragraphs 3-42 and 3-26).
a.
Remove the engine main bearings (5 thru 10) and thrust bearings (11), 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.
Change 1 4-84
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