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 TM 55-1905-220-24-1
4-12. Replace/Repair Vibration Damper.
This task covers:
a. Removal,
b. Repair,
c. Replacement
INITIAL SETUP:
Tools
Equipment Condition
Tool kit, general mechanics rail
Engine shutdown. TM 55-1905-223-10.
and marine diesel engines,
Front gear cover removed, para. 3-24.
Lifting sling P/N 3375958
Guide studs P/N 3376695
Torque wrench kit P/N 3377216
Crack detection kit P/N 3375432
Dial indicator 5120-00-277-8840
Materials/Parts
Paint solvent, Item 31, Appendix C
Engine lube oil, Item 2, Appendix C
REMOVAL
WARNING
The damper is very heavy. To avoid injury attach lifting
sling gear before removing attaching bolts.
CAUTION
During removal, do not pry or pound on the damper. The
damper may be extensively damaged.
NOTE
The use of a guide bolt will aid the removal process.
a. Remove bolts (3, FIG. 4-43) and washers (4), securing damper (6) to the crankshaft. Do not remove
oil pin (5) unless it is damaged.
b. Lift damper (6) away from crankshaft.
c. Remove bolts (1) and spacer (2) from adapter (8). Remove adapter.
Change 1
4-37
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