TM 10-4320-307-24
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FLYWHEEL AND FLYWHEEL HOUSING INSPECT/REPLACE/ALlGN CONT).
h.
Check flywheel bore runout as follows:
(1)
Attach dial gauge attachment (1) to the flywheel
housing.
(2)
Attach dial gauge (3) to attachment.
(3)
Install contact tip of indicator against inside
diameter of flywheel bore (10) and set dial
indicator at 0 (zero).
(4)
Using accessory drive shaft, rotate crankshaft one completerevolution.
NOTE
The total indicator reading (TIR) must not exceed 0.0050 inch (0.127 mm).
If the TIR is greater than the specification, proceed to step (5).
(5)
If TIR is greater than specification, remove flywheel and inspect flywheel and crankshaft surface for dirt or
damage.
(6)
Install flywheel and inspect bore runout once again. Replace flywheel if runout does not meet specifications.
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