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

Section 4 • Repair Procedures

Non-steer Axle Components

9-1

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.
4 - 40
7 Tag, disconnect and plug the hydraulic hose
from the brake. Cap the fitting on the brake.
8 Place a lifting jack under the brake for support.
9 Remove the fasteners that attach the brake to
the drive chassis. Remove the brake.
Torque specifications
Brake mounting fasteners, dry
Brake mounting fasteners, lubricated
GR • QSR • QSW
September 2009
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.
Crushing hazard. The brake will
fall if not properly supported when
the mounting fasteners are
removed.
Part No. 84700
REV A
75 ft-lbs
102 Nm
56 ft-lbs
76 Nm