Hub And Bearings - Genie TMZ-50/30 Service Manual

June 2005
800-610-4101
ActionRental.com
REV B
11-2

Hub and Bearings

How to Remove the Hub and
Bearings
1 Loosen the wheel lug nuts. Do not remove
them.
2 Lower the outriggers and adjust to level the
machine and raise the wheels off the ground.
3 Remove the lug nuts, then remove the tire and
wheel assembly.
4 Remove the dust cap.
5 Remove the cotter pin, then the castle nut.
6 Pull the hub off of the spindle. The washer and
outer bearing should fall loose from the hub.
7 Place the hub on a flat surface and gently pry
the bearing seal out of the hub. Remove the
rear bearing.
When replacing a wheel bearing,
both the inner and outer bearings,
including the pressed-in races,
must be replaced.
8 Pack both bearings with clean, fresh grease.
9 Place the large inner bearing into the rear of the
hub.
Part No. 65162
10 Install a new bearing grease seal into the hub
by pressing it evenly into the hub until it is flush.
Always replace the bearing grease
seal when removing the hub.
11 Slide the hub onto the spindle.
Component damage hazard. Do
not apply excessive force or
damage to the lip of the seal may
occur.
12 Place the outer bearing into the hub.
13 Install the washer and castle nut.
14 Tighten the spindle nut until resistance is felt
when rotating the hub by hand.
15 Loosen the castle nut until the first slot on the
castle nut lines up with the hole in the spindle.
Do not loosen the castle nut more
than
16 Install a new cotter pin. Bend the cotter pin
to lock it in place.
17 Install the dust cap.
18 Install the tire and wheel assembly. Torque the
wheel lug nuts or lug bolts to specification.
Refer to Section 2, Specifications.
TMZ-50/30
Section 4 • Repair Procedures
AXLE
1
/ turn.
4
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