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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)
NOTE
Perform steps 20 through 24 if spindle or backing plate were
removed.
20.
Apply adhesive to mating surface of spindle (5) and steering knuckle (9).
21.
Install spindle (5) on steering knuckle (9). Ensure air line (6) seats properly in groove of
steering knuckle (9).
22.
Install brake backing plate (4) and deflector (3) on spindle (5) and steering knuckle (9) with twelve
new lockwashers (2) and nuts (1). Tighten nuts (1) 24-35 lb-ft (33-48 Nm).
23.
Install connector (7) on air line (6).
24.
Fill groove between air line (6) and steering knuckle (9) with adhesive and connect air supply
line (8) to connector (7).
INSTALLATION
NOTE
Allow 12 hours for adhesives to cure before installing hub on
vehicle.
1.
Lubricate new O-ring (17) sparingly with GAA grease prior to installing.
2.
Install new O-ring (17) in ring groove of inner bearing on hub and drum assembly (18).
3.
Cover threaded end of spindle (5) with tape and apply grease to spindle (5).
CAUTION
Use extreme caution when installing hub and drum on spindle.
Any jarring or sliding of hub and drum over threaded end of
spindle may cause damage to O-rings, quad seals, or contact
surfaces of spindle and hub.
NOTE
Assistant will help with step 4.
4.
Install hub and drum assembly (18) on spindle (5), and remove tape from threaded end of spindle (5).
5.
Lubricate new O-ring (16) sparingly with GAA grease prior to installing.
6.
Install new O-ring (16) inside outer bearing (15).
CAUTION
Use extreme caution when installing outer bearing on spindle.
Install outer bearing slowly over spindle to prevent damage to O-ring.
NOTE
Pack outer bearing with GAA grease prior to installation.
7.
Install outer bearing (15) on spindle (5) with inner nut (14). While turning hub and drum
assembly (18), tighten inner nut (14) 50 lb-ft (68 Nm), then back off 1/16- to 1/4-turn.
8.
Install new key washer (13) and outer nut (12) on spindle (5). Tighten outer nut (12) 100-200 lb-ft
(136-271 Nm).
9.
Bend tabs on key washer (13) down over inner nut (14) and outer nut (12).
10.
Install new gasket (19) and companion flange (20) with expansion plug (21) on hub and drum
assembly (18) with six new lockwashers (11) and screws (10).
11.
Adjust service brakes (TM 9-2320-361-20).
12.
Install front wheel(s) (WP 0174 00).
13.
Start engine (TM 9-2320-386-10) and check for air leaks.
0172 00-8
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