Lift Cylinder(S) - Genie GS-2669 RT Service Manual

November 2014
3-5

Lift Cylinder(s)

The lift cylinders are single acting hydraulic
cylinders. The GS-2669 RT and GS-3369 RT uses
one lift cylinder; the GS-4069 RT uses two. Each
lift cylinder is equipped with a check valve to
prevent movement in the event of a hydraulic line
failure.
How to Remove the Lift Cylinder
GS-2669 RT and GS-3369 RT:
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.
Note: When removing a hose assembly or fitting,
the O-ring on the fitting and/or hose must be
replaced and then torqued to specification during
installation. Refer to Section 2, Hydraulic Hose and
Fitting Torque Specifications .
1 Remove the platform. See 2-1, How to Remove
the Platform.
2 Disassemble the scissor assembly.
See 3-1 or 3-2, How to Disassemble the Scissor
Assembly.
Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT
Section 4 • Repair Procedures
Y7
Note: 'alphanumeric' call outs
refer to corresponding notes
on the electrical schematic
GS-2669 RT and GS-3369 RT
a platform down solenoid valve
b lift cylinder
c pressure switch (CE models)
SCISSOR COMPONENTS
Note: 'alpha' call outs refer to
corresponding notes on the
hydraulic schematic
AK
Y10
A I
a b c
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