Genie Z45/25J Bi-Energy Service Manual Supplement page 20

November 2011
REV B
How to Remove the
Hub and Bearings
1 Loosen the wheel lug nuts. Do not remove
them.
2 Block the non-steer wheels and place a lifting
jack of ample capacity under the steering axle.
3 Raise the machine 6 inches / 15 cm and place
blocks under the chassis for support.
4 Remove the lug nuts. Remove the tire and
wheel assembly.
5 Remove the dust cap, cotter pin and castle nut.
6 Pull the hub off 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.
Part No. 107713
How to Install the
Hub and Bearings
Note: When replacing a wheel bearing, both the
inner and outer bearings including the pressed-in
races must be replaced.
1 Be sure that both bearings are packed
with clean, fresh grease.
2 Place the large inner bearing into the rear
of the hub.
3 Press the bearing seal evenly into the hub
until it is flush.
4 Slide the hub onto the yoke spindle.
5 Place the outer bearing into the hub.
6 Install the washer and castle nut.
7 Tighten the castle nut to 150 ft-lbs / 203 Nm to
seat the bearing.
8 Loosen the slotted nut, then retighten to
35 ft-lbs / 48 Nm.
9 Install a new cotter pin. Bend the cotter pin
to lock it in.
10 Install the dust cap, then the tire and wheel
assembly. Torque the wheel lug nuts to
125 ft-lbs / 169.5 Nm.
Self-Propelled Servicing Platform
Service Manual Supplement
STEERING AXLE COMPONENTS
Component damage. Do not
apply excessive force or damage
to the lip of the seal may occur.
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