This task covers:
General mechanic's tool kit:
Blind hole puller set
Geared hub removed (TM 9-2320-280-20).
General Safety Instructions
Ensure locktab on lockwasher is bent
completely into slot on retaining nut. Eight-
slotted retaining nut provides additional
security by enabling two locktabs to be bent
Geared hub locknut wrench
into slots on retaining nut.
Position geared hub (4) with spindle (5) supporting geared hub (4).
Remove eight capscrews (1), washers (2), and side cover (3) from geared hub (4).
If backlash between drive and driven gears is more than 0.018 in.
(0.46 mm) both gears must be replaced.
Mount dial indicator on geared hub (4) and index indicator to register from one drive gear (7) tooth.
Move drive gear (7) back and forth while holding driven gear (6) stationary to read backlash.