TM 9-2330-392-14&P
4-33.
HUB/DRUM, RACE, AND BEARING SEAL MAINTENANCE (Con’t).
d.
ASSEMBLY
1.
Install outer bearing race (7) and apply
a thin film of lubricant to surface of out-
er bearing race (7).
2.
Install inner bearing race (8) and apply
a thin film of lubricant to surface of in-
ner bearing race (8).
3.
Pack two bearings (6 and 9) with lubri-
cant by pressing fresh bearing grease
into bearing roller area.
4
Install inner bearing (9) in hub/drum (5)
5.
Apply a thin film of lubricant to the out-
er edge of grease seal (10) and install
grease seal (10) in hub/drum (5). Wipe
excessive lubricant from outer surface
of seal (10).
e.
INSTALLATION
1.
Install hub/drum (5), with inner bear-
ing and seal, on axle (14).
2.
Install outer bearing (6), washer (4),
and spindle nut (3).
3.
Make sure that the spindle nut (3) turns
freely on the spindle (14) and the brakes
are not dragging
4.
While turning the hub/drum slowly,
tighten the spindle nut (3) to seat bear-
ings.
5.
Back off the spindle nut as required to
align the cotter pin hole.
6
Install a cotter pin (2) and bend ends to
secure the spindle nut (3).
7.
Apply sealant to surface of grease cap
(1).
8.
Install grease cap (1) on hub/drum (5).
FOLLOW-ON TASKS:
•
Install wheel (para 4-32).
4-84
