TM 9-2320-387-24-2
1 21-6. GEARED HUB REPAIR (Cont’d)
I
I
1
8.
9.
10.
11.
12.
13.
14.
15.
16.
Install driven gear (11) and spindle spacer (6) in geared hub (7).
Install outer bearing spacer (8) on spindle (9).
Lower geared hub (7) onto spindle (9) and align splines on driven gear (11) with splines on
spindle (9). Ensure outer spindle bearing (10) seats in bearing cup.
Apply grease to face of nut (3).
Install inner bearing (5), keyed washer (41, and nut (31 on spindle (9).
Tighten nut (3) to 40 lb-R (54 N-m) while rotating geared hub (7) back and forth to seat bearings (4)
and (10).
Loosen and retighten nut (31 to 23-27 lb-ft (31-37 N-m).
NOTE
If gear backlash measurement in step 3 of subtask a. indicated a
backlash over 0.018 in. (0.46 mm) and any bearings were replaced,
remeasure gear backlash.
Measure backlash between gears (11) and (12). Refer to subtask a., step 3. If backlash exceeds
0.018 in. (0.44 mm), replace both gears.
NOTE
l It may be necessary to slightly loosen or tighten nut to gain
proper alignment with nut retainer and keyed washer.
l Ensure retaining ring is seated in groove on nut.
Install nut retainer (2) over nut (31, fitting tabs (131 on retainer (2) in keyed washer (4) and secure
with retaining ring (1).
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