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TM5-4210-229-14&P
4-198. HUB AND DRUM ASSEMBLY.
This task covers:
a.
Removal
b.
Installation
INITIAL SET-UP
Tools
General Mechanics Tool Kit
Rubber Mallet
Materials/Parts
Hub and Drum (1648515C1)
Equipment Condition
Para.
Condition Description
4-162
Tire Rim Assembly Removed
4-197
Rear Axle Shaft Removed
General Safety Instructions
Engine OFF.
Transmission in (N) neutral.
Parking brake set.
REMOVAL
a.
Remove outer adjustment nut (1), bearing adjustment
lockwasher (2), and inner adjustment
nut (3).
b.
After the adjustment nuts and lockwashers are
removed, the outer bearing (4), and outer bearing 'cup (5)
should be removed.
c.
Once bearing assembly is removed, strike the
hub and drum assembly (6) with a rubber mallet to aid in
the removal.
d.
Remove hub and drum assembly (6) from axle
housing spindle (7).
INSTALLATION
a.
Install hub and drum assembly (6) onto axle
housing spindle (7).
b.
Install outer bearing cup (5) and outer bearing
(4). Install the inner adjustment nut (3) and torque it to 50
ft-lb (67.8 N.m).
c.
Rotate hub and drum assembly forward and
backward, then back off adjustment nut (3) 1/4 to 1/3 turn.
d.
Install bearing lockwasher (2) and the outer
adjustment nut (1).
e.
Torque outer adjustment nut (1) to 100-150 ft-lb
(135.6-203.4 N.m).
f.
Install rear axle shaft (paragraph 4-197).
g.
Install tire rim assembly (paragraph 4-162).
h.
Remove floor stands and lower vehicle.
4-215
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