Lift Cylinder - Terex Genie GS-1530 Service Manual

Section 4 • Repair Procedures
SCISSOR COMPONENTS
3-6

Lift Cylinder

How to Remove the Lift Cylinder -
GS-1530, GS-1532, GS-1930 and
GS-1932
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.
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 Raise the platform 7 to 8 feet / 2.1 to 2.4 m.
2 Lift the safety arm, move it to the center of the
scissor arm and rotate down to a vertical
position.
3 Lower the platform onto the safety arm.
Crushing hazard. Keep hands
clear of the safety arm when
lowering the platform.
4 Tag and disconnect the wiring from the solenoid
valve coil at the barrel end of the lift cylinder.
5 Models with platform overload option: Tag
and disconnect the wiring from the platform
overload switch.
4 - 54
g
f
e
6 Loosen the adjustment nuts on the solenoid
valve and disconnect the manual lowering cable
from the valve.
Note: During assembly, the manual platform
lowering cable needs to be properly adjusted. See
4-1, How to Adjust the Manual Platform Lowering
Cable .
7 Remove the fasteners securing the manual
lowering cable mount bracket to the cylinder.
Remove the bracket from the cylinder.
8 Tag, disconnect and plug the hydraulic hoses
on the lift cylinder. Cap the fittings on the
cylinder.
GS-30 • GS-32 • GS-46
October 2008
N
O
a lift cylinder
b orifice (schematic item O)
c connector fitting
d hydraulic hose
e manual lowering cable
f solenoid valve (schematic item N)
g cable mount bracket
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.
Part No. 96316
REV C
a
b
c
d