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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)
DISASSEMBLY
1.
Remove ten nuts (1), lockwashers (2), inspection plate (3), and ten screws (6) from drum (4) and
adapter (5). Discard lockwashers (2) and screws (6).
2.
Remove drum (4) from adapter (5) and hub (21).
NOTE
Mark tube positions for installation.
3.
Remove nut (16) with sleeve (15) and tube (12) from elbow (14).
4.
Remove nut (11) with sleeve (10) and tube (12) from elbow (9).
NOTE
Mark elbow and hollow stud positions for installation.
5.
Remove elbow (9) from hollow stud (8).
6.
Remove hollow stud (8) from adapter (5) and hub (21). Discard hollow stud (8).
7.
Remove elbows (14) and (13) from hub (21).
NOTE
Perform step 8 if wheel studs are damaged.
8.
Remove five wheel studs (7) from adapter (5) and hub (21). Discard wheel studs (7).
9.
Place hub (21) on bench.
NOTE
Tag bearing and bearing cups for installation.
10.
Using hammer and brass drift, tap inner bearing (17) from inner bearing cup (18) and hub (21).
CAUTION
Removal of bearing cups in steps 11 through 13 will destroy seal
retainers. Perform steps 11 through 13 only if replacing bearing
assemblies or seal retainers.
11.
Using hammer and brass drift, remove inner bearing cup (18) with seal retainer (19) and quad
seal (20) from hub (21).
12.
Turn hub (21) on opposite end and remove outer bearing cup (24) with seal retainer (23) and quad
seal (22) from hub (21).
13.
Remove seal retainers (19) and (23) with quad seals (20) and (22) from inner bearing cup (18) and
outer bearing cup (24). Discard seal retainers (19) and (23) and quad seals (20) and (22).
NOTE
Perform steps 15 through 17 if spindle or backing plate is damaged.
CAUTION
Support backing plate to prevent damaging brake line.
14.
Disconnect air supply line (33) from connector (32).
15.
Remove connector (32) from air line (31).
16.
Remove twelve nuts (26), lockwashers (27), deflector (28), brake backing plate (29), and spindle (30)
with air line (31) from twelve steering knuckle studs (34). Discard lockwashers (27).
0172 00-4
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