4Wd Steering Axle Components; Yoke And Hub - Genie S-80 Service Manual

Section 7 - Repair Procedures

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 may require periodic replacement.
The yoke must be removed before the torque hub
can be removed.
1 Start the engine from the ground controls.
Rotate the turntable until the platform is
between the steer tires.
2 Remove the pin retaining fasteners, then
remove the pivot pin from both the steering
cylinder and the tie rod cylinder.
f e d
a king pin
b torque hub
c yoke
d pivot pin
e tie rod cylinder
f steer cylinder
7 - 48
a
b
c
Genie S-80 & Genie S-85
Service Manual - First Edition
3 Tag, disconnect and plug the hydraulic hoses
from the wheel motor. Cap the wheel motor
hydraulic fittings.
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.
4 Loosen the wheel lug nuts. Do not
remove them.
5 Block the non-steering wheels, and then center
a lifting jack under the steering axle.
6 Raise the machine 15 inches (38 cm) and place
blocks under the chassis for support.
7 Remove the lug nuts, then remove the tire and
wheel assembly.
8 Remove the roll pin from the upper king pin.
9 Remove the retaining bolts from the upper and
lower king pins.
10 Attach a strap from a lifting device to the
yoke/torque hub assembly for support.
Part No. 34032