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 TM 55-1905-223-24-1
3-24. Replace/Repair Camshaft and Gear Group.
This task covers: a. Removal, b. Repair, c. Replacement.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's
Engine shutdown. TM 55-1905-223-10.
rail and marine diesel engine,
Rocker covers and assemblies, pushrods
and tubes removed, paras. 2-30 and
Torque wrench kit P/N 3377216
3-25.
Timing fixture P/N 3375522
Engine/reduction gear coupler removed
Camshaft installation pilots
TM 55-1905-223-24-2.
P/N 3376280
Rear engine cover, flywheel housing
Dial indicator 5120-00-277-8840
group removed, para. 3-26.
Machinist measuring tool set
Front gear cover removed, para. 3-21.
5280-00-228-9919
Cam follower removed, para. 4-11.
Materials/Parts
Camshaft P/N 3006299
Rear camshaft cover plate gasket
P/N 3040722
High pressure lubricant, Item 19, Appendix C
Oil SAE 30W, Item 20, Appendix C
Lubriplate, Item 16, Appendix C
Cleaning solvent, Item 15, Appendix C
REMOVAL
a. Remove rear access cover (7, FIG. 3-17).
(1) Remove three hexagon head capscrews (6) and lockwashers (5) from eachrear access cover (7).
(2) Remove access covers (7) and gaskets (8). Discard gaskets.
b. Remove idler gears (2).
CAUTION
Do not allow the gears or shaft to fall or the parts will be
damaged.
(
1) Remove capscrews, retainers, and thrust washer bearings (1).
(2) Remove idler gears (2).
(3) Remove inner thrust washers (4).
Change 1 3-73
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