3-37. CRANKSHAFT REPAIR (Contd)
b. Inspection (Contd)
24. New crankshaft gear (7)
Install as follows:
removed only if damaged
a. Install new gear-to-crankshaft
key (6) on crankshaft keyway (9).
Wear heat-resistant gloves when handling heated crankshaft gear. Failure to comply may
result in injury to personnel.
Use caution when heating crankshaft gear. Make sure there is equal distribution of heat in
oven. Do not let crankshaft gear become overheated. Overheating will change hardness of
b. Heat new crankshaft gear (7) in
oven at 400°F (204°C) for at least
one hour. Then remove using heat-
The crankshaft gear must be installed with timing mark facing out.
c. Liberally lubricate crankshaft
gear step (8) of crankshaft (2) with
OE/HDO 30 lubricating oil.
d. Align keyway on crankshaft
Wear heat-resistant gloves similar
gear (7) with new gear-to-crank-
to welding gloves when handling
shaft key (6) on crankshaft (2).
hot crankshaft gear (7).
e. Drive crankshaft gear (7)
Tubing should have an inside
on crankshaft gear step (8) with
diameter corresponding to
a piece of tubing.
outside diameter of crankshaft
gear step (8).
Install engine crankshaft and main bearings (para. 3-68).
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