4Wd Steering Axle Components; Yoke And Hub - Genie Z-45/22 Service Manual

Section 7 - Repair Procedures
800-610-4101
ActionRental.com

4WD Steering Axle Components

14-1

Yoke and Hub

How to Remove the Yoke and Hub
The yoke installation utilizes bushings and a thrust
washer that require periodic replacement
depending upon the application. The yoke must be
removed before the torque hub can be removed.
The wheel motor is an integral part of the torque
hub.
1 Remove the cotter pin, then the clevis pin from
both the steering cylinder and the tie rod
weldment.
h
g
f
a
b
c
d
e
f
g
h
7 - 54
axle
pin retainer
king pin
yoke
torque hub
cotter and clevis pin
steering cylinder
tie rod
2 Disconnect the hydraulic hoses from the wheel
motor and plug them. Cap the wheel motor
hydraulic fittings.
3 Loosen the wheel lug nuts. Do not remove
them.
4 Block the non-steering wheels, and then center
a lifting jack under the steering axle.
5 Raise the machine 6 inches (15 cm) and place
blocks under the chassis.
6 Remove the lug nuts, then the tire and wheel
assembly.
a
7 Remove the pin retainer from the king pin.
b
8 Place a block between the oscillate cylinder
lock-out wedge and the chassis on the same
c
side as the yoke/torque hub being serviced.
d
e
f e d
Genie Z-45/22
Service Manual - Second Edition
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to squirt
or spray.
a
c
a block
b torque hub
c yoke
d axle
e lock-out wedge
f chassis
Part No. 32960
b