Part No. 43063
Genie Z-30/20
7 - 37
Service Manual - Third Edition
Section 7 - Repair Procedures
Steering Axle Components
9-1
Yoke and Hub
How to Remove the Yoke
and Hub
1 Remove the cotter pin, and the clevis pin from
both the steering cylinder and the tie rod.
a
axle
b
king pin
c
yoke
d
hub
e
clevis pin and cotter pin
f
steering cylinder
g
tie rod
2 Loosen the wheel lug nuts. Do not
remove them.
3 Block the non-steering wheels, and then
center a lifting jack under the steering axle.
4 Raise the machine 6 inches (15 cm) and place
blocks under the drive chassis for support.
5 Remove the lug nuts, then the tire and
wheel assembly.
6 Remove the cotter pin from the tie-rod and the
steer cylinder.
Always use a new cotter pin when
installing a clevis pin.
7 Remove the retaining fastener from the king
pin.
8 Attach a strap from a lifting device to the
yoke/hub assembly for support.
9 Use a soft metal drift to remove the pin.
Crushing hazard. The yoke/hub
assembly will fall when the king
pin is removed if it is not properly
supported.
Torque specifications
Lug nuts
125 foot-pounds
169.5 Newton meters
How to Remove the
Hub and Bearings
1 Loosen the wheel lug nuts. Do not remove
them.
2 Block the non-steering wheels and place a
lifting jack under the steering axle.
3 Raise the machine and place blocks under
the drive chassis for support.
4 Remove the lug nuts. Then 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.
How to Install the
Hub and Bearings
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 grease.
2 Place the large inner bearing into the rear
of the hub.
a
c
b
d
f
g
e
e