3-166.4. 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 3-166.2).
This task covers:
Flywheel Housing Removal
Special Environmental Conditions
General Safety Instructions
Observe WARNING in procedure
The flywheel housing and flywheel must be removed
to perform the following maintenance instructions.