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 TM 9-2520-270-34
7. CHECK DISK (1).
Using micrometer caliper set, measure
a.
thickness of disk (1) in three places.
b. Replace disk (1) if thickness is less than
0.150 inch (3.81 mm).
Using flat surface and feeler gage,
c.
check disk (1) for warpage. Check
inside and outside edges in three
places.
8. REMOVE CROSS SHAFT SPUR GEAR (2).
Replace disk (1) if warpage is greater
d.
a. Using pry bar, pry off gear (2).
than 0.010 inch (0.25 mm).
9. INSPECT BALL BEARING (3).
10. REMOVE AND DISCARD BALL
BEARING (3).
a. Turn gear (2) over.
a. Using screwdriver, remove retaining
b. Inspect ball bearing (3) for damage.
ring (4).
See TM 9-214.
b. Using drive punch, tap out and discard
c. If bearing (3) is damaged, go to
bearing (3).
step 10. If not, go to step 12.
4-238.1 (4-238.2 blank)
Change 4
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