Platform Leveling Master Cylinder - Genie S-65 Service And Repair Manual

September 2016
4-6 Platform Lev eling M aster Cylinder
4-6
Platform Leveling Master
Cylinder
The master cylinder acts as a pump for the slave
cylinder. It's part of the closed circuit hydraulic loop
that keeps the platform level through the entire
range of boom motion. The master cylinder is
located at the pivot end of the boom.
How to Remove the Platform
Leveling Master Cylinder
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 Raise the boom until the master cylinder is
above the turntable covers.
2 Tag, disconnect and plug the master cylinder
hydraulic hoses. Cap the fittings on the
cylinder.
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. 1268492 S-60 • S-65 • S-60 TRAX • S-65 TRAX • S-60 HC • S-60X • S-60XC
Boom Components
3 Place a 2 x 4 x 48 inches / 5 x 10 x 120 cm
block of wood across the turntable covers.
Position the block under the master cylinder.
4 Remove the pin retaining fastener from the
master cylinder rod-end pivot pin.
5 Place a rod through the rod-end pivot pin and
twist to remove the pin. Lower the rod end of
the master cylinder onto the block.
6 Remove the pin retaining fastener from the
barrel-end pivot pin.
7 Place a rod through the barrel-end pivot pin
and twist to remove the pin.
8 Remove the master cylinder from the
machine.
Service and Repair Manual
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