TM 10-4320-307-24
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FLYWHEEL AND FLYWHEEL HOUSING INSPECT/REPLACE/ALlGN CONT).
INSTALLATION/ALIGNMENT:
1.
Install and align flywheel housing as follows:
CAUTION
If a new flywheel housing is being installed, the dowels must be removed from the
cylinder block using a dowel pin extractor or equivalent prior to installing the housing
to prevent damage to the housing. The housing must be doweled with an oversize
dowel after it has been aligned.
NOTE
Insure the mounting surface of the flywheel housing is clean and free from damage.
a.
Install two 5/8-18 x 4-inch guide studs in cylinder block to help support and align housing during installation.
b.
Install flywheel housing over guide studs.
c.
Tighten the capscrews to 10 to 20 ft-lbs (13.5 to 27.0N•m) torque.
d.
Remove guide studs and install and tighten remaining capscrews to 10 to 20 ft-lbs (13.5 to 27.0 N•m) torque.
NOTE
Do not fully tighten capscrews until bore alignment is performed.
e.
Check the bore alignment as follows:
(1)
Attach dial gauge attachment (1) to crankshaft
(2).
(2)
Attach dial gauge (3) to attachment.
(3)
Put dial indicator at 12:00 o'clock position.
Adjust dial indicator until the needle points to 0
(zero).
(4)
Use chalk to mark the housing at 12:00 o'clock,
3:00 o'clock, 6:00 o'clock, and 9:00 o'clock
positions.
NOTE
Use the accessory drive shaft to rotate the
crankshaft in a clockwise direction.
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