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 TM 55-1905-223-24-5
(3)
Dry with compressed air.
(4)
Visually inspect for nicks or burrs.
(5)
Use fine crocus cloth to remove small nicks and burrs.
WARNING
Do not use a cracked or resurfaced flywheel. These can break,
causing serious personal injury or property damage.
(6)
Use crack detection kit, P/N 3375432 to check for cracks in the flywheel.
(7)
Visually inspect the flywheel spur gear (2) for cracks and chips.
NOTE
If the spur gear teeth are cracked or broken, the spur gear must
be replaced.
REPAIR
Repair consists of replacement of spur gear (2).
ASSEMBLY
a.
Install spur gear (2) on flywheel (3), as follows:
(1)
Heat spur gear (2) in an oven heated to 600 (316 ) for a minimum of one hour.
F
C
NOTE
If an oven is not available, use a heating torch to heat the inside
diameter of the spur gear to 600 (316 ). Use a tempilstick
F
C
crayon or equivalent to check the gear temperature.
CAUTION
Do not overheat spur gear. Metal hardness will change.
WARNING
Wear protective gloves when handling heated parts to avoid
injury.
(2)
Remove the gear from the oven, and install it on the flywheel before it cools.
(3)
Install spur gear (2) on flywheel (3).
4-83
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