Steer Axle Components; Yoke And Drive Motor - Genie GS-3384 Service Manual

September 2005
REV B
9-1

Yoke and Drive Motor

How to Remove the Yoke and
Drive Motor
When removing a hose assembly
or fitting, the O-ring on the fitting
and/or hose must be replaced and
then torqued to specification
during installation. Refer to
Section Two, Hydraulic Hose and
Fitting Torque Specifications.
1 Block the non-steer wheels and center a lifting
jack under the drive chassis at the steer end of
the machine.
2 Loosen the wheel lug nuts. Do not remove
them.
3 Raise the machine approximately
2 inches / 5 cm. Place blocks under the chassis
for support.
Crushing hazard. The chassis will
fall if it is not properly supported.
4 Remove the wheel lug nuts. Remove the tire
and wheel assembly.
5 Remove the hose clamps retaining fasteners
from the drive motor guard. Remove the hose
clamps.
6 Tag, disconnect and plug the hoses from the
drive motor. Cap the fittings on the drive motor.
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.
Part No. 82259

Steer Axle Components

7 Support and secure the yoke and drive motor
assembly to a lifting jack.
8 Remove the cotter pin from the tie rod clevis
pin. Remove the clevis pin.
9 Ground control side: Remove the retaining
fastener securing the steer cylinder rod end
pivot pin. Remove the pivot pin.
10 Remove the retaining fastener from the lower
yoke pivot pin.
11 Place a rod through the pin and twist to remove
the pin.
12 Repeat steps 10 and 11 for the upper yoke
pivot pin.
13 Remove the yoke and drive motor assembly
from the machine.
Torque specifications
Drive hub mounting bolts, dry
Drive hub mounting bolts, lubricated
Drive motor mounting bolts, dry
Drive motor mounting bolts, lubricated
GS-3384
Section 4 • Repair Procedures
Always use a new cotter pin when
installing a clevis pin.
Crushing hazard. The yoke and
drive motor assembly may
become unbalanced and fall if not
properly supported and secured to
the lifting jack when it is removed
from the machine.
120 ft-lbs
163 Nm
90 ft-lbs
122 Nm
75 ft-lbs
102 Nm
56 ft-lbs
76 Nm
4 - 85