Genie GC-1530, Service Manual

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January 2012 Section 4 • Repair Procedures
4 - 38 GS-30 • GS-32 • GS-46 • GS-47 Part No. 228901
7-1
Drive Brake
How to Remove a Drive Brake
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 Support and secure the entry ladder to an
appropriate lifting device.
2 Remove the entry ladder mounting fasteners.
Remove the entry ladder from the machine.
Crushing hazard. The entry ladder
may become unbalanced and fall
if it is not properly supported and
secured to the lifting device.
3 Block the steer wheels.
4 Remove the cotter pin from the wheel castle
nut.
Note: Always replace the cotter pin with a new one
when removing the castle nut.
5 Loosen the wheel castle nut. Do not remove it.
6 Center a lifting jack under the drive chassis at
the non-steer end.
7 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.
8 Remove the wheel castle nut. Remove the
wheel.
Non-steer Axle Components
9 Tag, disconnect and plug the hydraulic hose
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.
10 Place a lifting jack under the brake for support.
11 Remove the fasteners that attach the brake to
the drive chassis. Remove the brake.
Crushing hazard. The brake will
fall if not properly supported when
the mounting fasteners are
removed.
Torque specifications
Brake mounting fasteners, dry 75 ft-lbs
102 Nm
Brake mounting fasteners, lubricated 56 ft-lbs
76 Nm