Service Manual
February 2022
Non-Steer Axle Components
52
GRC
™
Part No. 1314708GT
7-1
Drive Brake
How to Remove the Drive Brake
Note: When removing a hose assembly or fitting,
the O-ring (if equipped) on the fitting and/or hose
end must be replaced. All connections must be
torqued to specification during installation. Refer to
Specifications,
Hydraulic Hose and Fitting Torque
Specifications.
1 Block the steer wheels.
2 Remove the cotter pin from the wheel castle
nut.
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 of the machine.
5 Raise the machine approximately 2 inches /
5 cm. Place blocks under the chassis for
support.
Crushing hazard. The chassis
will fall if not properly supported.
6 Remove the wheel castle nut. Remove the
wheel.
7 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.
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.
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
Summary of Contents for Genie GRC-12
Page 113: ...February 2022 Service Manual 101 Electrical Schematic GRC Options...
Page 115: ...February 2022 Service Manual 103 Electrical Schematic GRC from GRC11 1000 to GRC11 1078...
Page 118: ...Service Manual February 2022 106 Electrical Schematic GRC from GRC11 1000 to GRC11 1078...
Page 119: ...February 2022 Service Manual 107 Electrical Schematic GRC from GRC11 1079 to GRC14 1780...
Page 122: ...Service Manual February 2022 110 Electrical Schematic GRC from GRC11 1079 to GRC14 1780...
Page 123: ...February 2022 Service Manual 111 Electrical Schematic GRC from GRC14 1781 to GRC15 2343...
Page 126: ...Service Manual February 2022 114 Electrical Schematic GRC from GRC15 2344 to GRC16P 2481...
Page 127: ...February 2022 Service Manual 115 Electrical Schematic GRC from GRC16P 2482 to GRC16P 2562...
Page 130: ...Service Manual February 2022 118 Electrical Schematic GRC from GRC16P 2563 to GRCP 5999...
Page 131: ...February 2022 Service Manual 119 Hydraulic Schematic GRC from GRC11 1000 to GRC12 1168...
Page 135: ......