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 TM 55-1905-220-14-5
3-91.4. CRANKSHAFT TIMING GEAR - MAINTENANCE INSTRUCTIONS.
a. The crankshaft timing gear is bolted to the flange at the rear end of the crankshaft and drives the
balance shaft gear through an idler gear.
b. Since the camshaft must be in time with the crankshaft, timing marks are located on two teeth of the
idler gear with corresponding timing marks stamped on the crankshaft gear and camshaft and balance shaft
gears (refer to paragraph 3-91.2).
This task covers:
a. Removal
c.
Inspection
f
Installation
INITIAL SETUP:
Test Equipment
References
NONE
NONE
Equipment
Special Tools
Condition
Condition Description
Para
NONE
Flywheel Housing Removed
Material/Parts
Special Environmental Conditions
NONE
NONE
Personnel Required
General Safety Instructions
1
NONE
LOCATION
ITEM
ACTION
REMARKS
NOTE
The flywheel housing and flywheel must be removed
to perform the following maintenance instructions.
REMOVAL
1.
Crankshaft
a. Crank-
Peen the outside diameter
Gear
shaft
of the seal until it
rear oil
stretches sufficiently
seal (1)
so it can be slipped off
of the crankshaft.
3-1568
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