Page 88
45-J Desel - Servce & Parts Manual
January 2022
Secton 18 - Mechancal Components
Drive Motors & Gear Hubs
Note:
See Section 24 - Axles & Section 25 - Hydraulics of the Parts portion of this manual for parts
lists.
There is one hydraulic drive wheel motor and one gear hub located at each wheel.
Clean all fittings before disconnecting hoses������
Tag hoses for proper reassembly������
Immediately plug and cap all openings to prevent contamination������
Replace any O-rings and inspect all hoses for crack and damage before
reassembly������
Refer to “Lift and Support The Machine” in Section 9 for instructions and safety precautions.
Removal - Steering Axle
Raise and support the steering end of
machine.
Remove the wheel and tire assembly.
Remove the retaining pins that secure the
steer cylinder and the tie rod to the motor/hub
housing. Rotate the housing to access the
drive motor.
Clean all hydraulic fittings, then tag all hoses
for proper reassembly.
Disconnect all hydraulic hoses. Immediately
plug and cap all openings to prevent
contamination.
Support the drive motor, then remove the two
bolts connecting the drive motor to the gear
hub. Remove the motor.
Support the gear hub, then remove the six
bolts holding the gear hub to the motor/hub
housing. Carefully remove the gear hub.
Installation is reverse of removal. Apply one
(1) drop of Loctite® 242 or equivalent to
mounting bolts. Replace the O-ring on the
brake release port of the gear hub. Take great
care that this O-ring is installed correctly.
Use grease to hold the O-ring in place during
installation.
1.
2.
3.
4.
5.
6.
7.
8.
ART_4965
Motor/Hub
Housing
Gear Hub
Drive
Motor
O-Rings
Detail A
