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Page Title:
REAR WHEEL HUB MAINTENANCE - continued |
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 TM 9-2320-386-24-1-1
0173 00
REAR WHEEL HUB MAINTENANCE (Contd)
NOTE
Left and right rear wheel hubs are replaced the same.
REMOVAL
.WARNING.
Do not disconnect air lines before draining air reservoirs. Small
parts under pressure may shoot out with high velocity, causing
injury to personnel.
Eyeshields must be worn when releasing compressed air. Failure
to do so may result in injury to personnel.
CAUTION
When disconnecting air lines and hoses, plug all openings to
prevent dirt from entering and causing damage to internal parts.
Remove all plugs prior to installation.
1.
Bend tabs of key washer (2) away from flats of outer nut (1) and inner nut (3).
2.
Remove outer nut (1) and key washer (2) from spindle (22). Discard key washer (2).
3.
Remove inner nut (3), seal (4), and cork gasket (5) from spindle (22). Discard seal (4) and cork
gasket (5).
CAUTION
Use extreme caution when removing hub and drum from 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
Tag bearing for installation.
4.
Remove outer bearing (6) and O-ring (7) from spindle (22). Discard O-ring (7).
NOTE
Assistant will help with step 5.
5.
Remove hub (11) and drum (15) from spindle (22).
6.
Remove O-ring (23) from ring groove of inner bearing (24). Discard O-ring (23).
DISASSEMBLY
1.
Remove safety wire (19) from eight screws (20). Discard safety wire (19).
2.
Remove eight screws (20), lockwashers (21), and hub (11) from adapter (16). Discard
lockwashers (21).
3.
Remove ten nuts (12), lockwashers (13), and inspection plate (14) from drum (15). Discard
lockwashers (13).
4.
Remove ten screws (18), slinger (17), and adapter (16) from drum (15). Discard screws (18).
5.
Remove elbow (29) from hub (11).
6.
Remove tube (30) from elbows (29) and (31).
7.
Remove elbow (31) from hollow stud (32).
8.
Remove hollow stud (32) from hub (11). Discard hollow stud (32).
NOTE
Perform step 9 if wheel studs are damaged.
9.
Remove five wheel studs (28) from hub (11). Discard wheel studs (28).
10.
Place hub (11) on bench.
NOTE
Tag bearing and bearing cups for installation.
11.
Using hammer and brass drift, tap inner bearing (24) from inner bearing cup (25).
0173 00-2
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