Drive Hub - Genie GS-3384 Service Manual

September 2005
REV A
10-2

Drive Hub

How to Remove a Drive Hub
When removing a hose assembly
or fitting, the O-ring on the fitting
and/or hose end must be replaced
and then torqued to specification
during installation.
Refer to Section Two, Hydraulic
Hose and Fitting Torque
Specifications.
1 Remove the drive motor. See 11-1, How to
Remove a Drive Motor and Brake.
2 Block the wheels at the end of the machine
opposite the drive hub to be removed.
3 Center a lifting jack of ample capacity under the
drive chassis at the end of the machine near
the drive hub being removed.
4 Loosen the wheel lug nuts. Do not remove
them.
5 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.
6 Remove the wheel lug nuts. Remove the tire
and wheel assembly.
Part No. 82259
NON-STEER AXLE COMPONENTS
7 Place a second lifting jack under the drive hub
for support and secure the drive hub to the
lifting jack.
8 Remove the drive hub mounting bolts that
attach the drive hub to the axle. Remove the
drive hub.
Crushing hazard. The drive
hub may become unbalanced and
fall if it is not properly supported
and secured to the lifting jack.
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
120 ft-lbs
163 Nm
90 ft-lbs
122 Nm
75 ft-lbs
102 Nm
56 ft-lbs
76 Nm
4 - 89