Section 4 • Repair Procedures
REV A
September 2016
4 - 24 GRC Part No. 227123
Steer Axle Components
7-1
Yoke and Drive Motor
How to Remove the Yoke
and Drive Motor Assembly
Note: When removing a hose assembly or fitting,
the fitting and/or hose end must be torqued to
specification during installation. Refer to Section 2,
Hydraulic Hose and Fitting Torque Specifications.
1 Block the wheels at the non-steer end of the
machine.
2 Remove the cotter pin from the wheel castle nut
at the steer end of the machine.
Note: Always replace the cotter pin with a new one
when removing the castle nut.
3 Loosen the wheel castle nut. Do not remove it.
4 Center a lifting jack under the drive chassis at
the steer end of the machine.
5 Raise the machine approximately
6 inches / 15 cm. Place blocks under the
chassis for support.
Crushing hazard. The chassis
could fall if not properly supported.
6 Remove the wheel castle nut. Remove the
wheel.
7 Tag, disconnect and plug the hydraulic hoses
on 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.
Component damage hazard.
Hoses can be damaged if they are
kinked or pinched.
8 Support and secure the yoke assembly to an
appropriate lifting device.
9 Remove the retaining fastener from the steer
link at the yoke assembly.
Note: Observe and note the quantity and location
of the spacers, when disconnecting the steer link
from the yoke assembly.
10 Remove the retaining fastener from the rear of
the yoke pivot shaft.
Note: The pivot shaft retaining fastener is located
below the main deck.
11 Lower the yoke assembly out of the chassis.
Bodily injury hazard. The
yoke/motor assembly may fall if
not properly supported when
removed from the machine.
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