Non-Steer Axle Components; Drive Brake - Genie GRC-12 Service Manual

September 2016
REV A
8-1

Drive Brake

How to Remove a Drive Brake
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 steer end of the
machine.
2 Remove the cotter pin from the wheel castle nut
at the non-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 non-steer end.
5 Raise the machine approximately
2 inches / 5 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.
Part No. 227123

Non-steer Axle Components

7 Tag, disconnect and plug the hydraulic hose
8 Place a lifting jack under the brake for support.
9 Remove the fasteners that attach the brake to
Torque specifications
Brake mounting fasteners, dry
Brake mounting fasteners, lubricated
GRC
Section 4 • Repair Procedures
from the brake. Cap the fitting on the brake.
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.
the drive chassis. Remove the brake.
Crushing hazard. The brake will
fall if not properly supported when
the mounting fasteners are
removed.
75 ft-lbs
102 Nm
56 ft-lbs
76 Nm
4 - 27