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Page Title:
FRONT WHEEL HUB MAINTENANCE - continued |
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 TM 9-2320-386-24-1-1
0172 00
FRONT WHEEL HUB MAINTENANCE (Contd)
ASSEMBLY
CAUTION
All mating surfaces must be clean and dry prior to wheel hub
assembly. Failure to do so may weaken ability of adhesive to hold air.
NOTE
Perform steps 1 through 9 if inner and outer bearing cups were
removed.
1.
Apply a thin layer of adhesive to counterbore ledge of inner bearing cup (18) and outer bearing cup (24).
2.
Drive new seal retainers (19) and (23) with quad seals (20) and (22) in inner bearing cup (18) and
outer bearing cup (24) evenly. Wipe off any excess adhesive.
3.
Apply adhesive on inner counterbore ledge of hub (21).
4.
Apply adhesive to outer side of inner bearing cup (18) and mating surface of hub (21).
5.
Drive inner bearing cup (18) with new seal retainer (19) and quad seal (20) in hub (21). Ensure seal
retainer (19) is seated against counterbore ledge of hub (21).
6.
Apply adhesive on outer counterbore ledge of hub (21).
7.
Apply adhesive to outer side of outer bearing cup (24) and mating surface of hub (21).
8.
Drive outer bearing cup (24) with new seal retainer (23) and quad seal (22) in hub (21). Ensure seal
retainer (23) is seated against counterbore ledge of hub (21).
9.
Lubricate quad seals (20) and (22) in new seal retainers (19) and (23) sparingly with GAA grease.
10.
Install new quad seals (20) and (22) in seal retainers (19) and (23).
NOTE
Pack inner bearing with GAA grease prior to installation.
11.
Install inner bearing (17) in inner bearing cup (18) and tap inner bearing (17) to seat into
inner bearing cup (18).
NOTE
Perform step 12 if wheel studs were removed.
12.
Install adapter (5) on hub (21) with five new wheel studs (7). Ensure wheel studs (7) are seated
against adapter (5).
13.
Apply sealant to male threads of elbows (9), (13), and (14) and new hollow stud (8).
14.
Install elbows (13) and (14) on hub (21).
15.
Install elbow (9) on new hollow stud (8).
16.
Install short end of tube (12) on elbow (9) with sleeve (10) and nut (11).
17.
Install tube (12), elbow (9), and new hollow stud (8) on adapter (5) and hub (21). Use lugnut to seat
hollow stud (8) against adapter (5).
18.
Install tube (12) on elbow (14) with sleeve (15) and nut (16).
19.
Install drum (4) on adapter (5) with ten new screws (6), inspection plate (3), ten new lockwashers (2),
and nuts (1). Tighten nuts (1) 31-39 lb-ft (42-53 Nm).
0172 00-6
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