Wear Pads; Lift Cylinders; How To Remove The Lift Cylinder - Terex Genie GRC-12 Service Manual

Service Manual
Mast Components
10-2

Wear Pads

Wear pads on the GRC are used to provide a
uniform fit between the mast sections, as the mast
assembly extends and retracts. Over time, it may
be necessary to replace the wear pads to ensure
good machine performance.
How to Adjust the Wear Pads
1 Refer to Repair Procedure, How to Remove
the Mast Assembly.
2 Refer to Repair Procedure, How to
Disassemble the Mast.
3 Refer to Repair Procedure, How to Assemble
the Mast.
70
10-3

Lift Cylinders

The lift cylinder is equipped with a normally closed
solenoid valve to prevent movement in the event
of a hydraulic line failure.

How to Remove the Lift Cylinder

How to Re mov e th e Lift C ylinde r
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 Refer to Repair Procedure, How to Remove
the Mast Assembly.
2 Remove the nylock nuts securing the lift
cylinder, to the cylinder mast mount brackets,
located inside the top half of the mast
assembly. Set the nylock nuts to the side.
3 Tag, disconnect and plug the hydraulic hoses
from the lift cylinder. Cap the fittings on the
cylinder.
4 Remove the lift cylinder retaining bolt from the
lower cylinder block and set to the side.
GRC ™
February 2022
Bodily injury hazard. This
procedure requires specific repair
skills, lifting equipment and a
suitable workshop. Attempting
this procedure without these
skills and tools could result in
death or serious injury and
significant component damage.
Dealer service is strongly
recommended.
Part No. 1314708GT