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 TM 55-1905-223-24-5
(h) Remove the T-handles and the guide studs.
(i) Install the remaining two capscrews in the holes from which the guide studs were removed.
(j) Tighten the capscrews in a star pattern to 200 ft-lb (270 N ) torque.
m
(2) Measure the flywheel bore runout.
(a) Install the attachment to the flywheel housing.
(b) Install the gauge on the attachment.
NOTE
Use a dial indicator gauge (1) or its equivalent and a gauge attachment (2) to
inspect the flywheel bore (3) and the surface (4) runout (FIGURE 3-99) .
(c) Install the contact tip of the indicator against the inside diameter of the flywheel bore, and set the dial
indicator at "0" (zero).
(d) Use the accessory drive shaft to rotate the crankshaft one complete revolution.
NOTE
The total indicator reading (TIR) must not exceed 0.0050 inch (0.127 mm).
(e) If the total indicator reading is greater than the specification, do the following:
1 Remove the flywheel.
2 Inspect the flywheel mounting surface for dirt or damage.
3 Inspect the crankshaft for dirt or damage.
4 Install the flywheel, and inspect the bore runout again (FIGURE 3-99) .
5 Replace the flywheel if the runout does not meet specifications.
(3) Measure the flywheel face runout.
(a) Install the contact tip of the indicator against the flywheel face, as close to the outside diameter as
possible, to inspect the face (4) runout (FIGURE 3-100) .
(b) Push the flywheel forward to remove the crankshaft end clearance. Adjust the dial on the indicator
until the needle points to "0" (zero).
3-137
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