TM 10-4320-307-24
3-37
FLYWHEEL AND FLYWHEEL HOUSING INSPECT/REPLACE/ALlGN CONT).
(5)
Rotate crankshaft to check housing bore at 3:00 o'clock and 9:00 o'clock. If total indicator reading (TIR)
exceeds limits given in specifications, move housing in a horizontal direction 1/2 the distance of total indicator
reading. Use pry bar to move housing.
(6)
Rotate crankshaft to check housing bore at 12:00 o'clock and 6:00 o'clock. If total indicator reading (TIR)
exceeds limits given in specifications. move housing in a vertical direction until reading is within limits.
NOTE
The maximum allowable total indicator reading (TIR) depends on the diameter of the housing bore.
SAE
Bore Diameter
Bore Location Tolerance
No.
mm
in
mm
in
00
787.40 to 787.65
31.000 to 31.010
0.30
0.012 TIR
0
647.70 to 647.95
25.500 to 25.510
0.25
0.010 TIR
1/2
584.00 to 584.20
23.000 to 23.008
0.25
0.010 TIR
2
447.68 to 447.80
17.625 to 17.630
0 20
0.008 TIR
3
409.58 to 409.70
16.125 to 16.130
0.20
0.008 TIR
NOTE
If the alignment is not within specifications and the bore is not round, the housing must be replaced.
f.
If bore alignment specifications are within limits,
tighten capscrews (4) in sequence given to 140 to
150 ft-lbs (190 to 217 N•m) torque.
3-140
