TM 9-2320-260-34-1
3-22. FLYWHEEL HOUSING MAINTENANCE (Contd)
NOTE
The highest reading recorded will indicate the direction the
flywheel housing must be moved to obtain correct alinement
center.
9.
Set dial indicator to zero. Rotate crankshaft flange (2) on flywheel housing (4) so dial indicator is
positioned at 12 o'clock and check reading at 3, 6, 9, and 12 o'clock positions.
10.
Rotate crankshaft flange (2) on flywheel housing (4) and set dial indicator at point where highest
reading was recorded on flywheel housing bore (3).
11.
Set dial indicator to read one-half of total highest reading.
12.
Loosen nine screws (1) slightly on flywheel housing (4). Tap flywheel housing (4), using soft-head
hammer, opposite the dial indicator until it reads zero. Tighten screws (1) 140-160 lb-ft
(190-217 Nm) in sequence shown.
13.
Reposition and set dial indicator against flywheel housing face (5). Push crankshaft flange (2)
forward to take up end play.
14.
Set dial indicator to zero. Rotate crankshaft flange (2) and read total runout on dial indicator.
Measurement will not exceed 0.008 in. (0.20 mm).
15.
Remove dial indicator and dial indicator attachment from flywheel housing (4).
NOTE
Perform steps 16 and 17 if dowel pins were removed.
16.
Ream dowel pin holes (7) to next oversize, using drill and reaming fixture.
Install two new dowel pins (8) in flywheel housing (4) and engine block (6). Ensure dowel pins (8)
17.
are even with or 0.010 in. (0.25 mm) below the flywheel housing (4).
3-74
