Service and Repair Manual
March 2018
Boom Components
46
S®-
80 • S®
-85
• S®
-80X
Part No. 1269074GT
4-6
Platform Leveling Master
Cylinder
The master cylinder acts as a pump for the slave
cylinder. It is part of the closed loop hydraulic circuit
that keeps the platform level through the entire
range of boom motion. The master cylinder is
located inside 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
rod-end pivot pin is accessible.
2 Remove the turntable end cover to access the
master cylinder.
3 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.
4 Remove the pin retaining fastener from the
master cylinder barrel-end pivot pin.
5 Place a rod through the barrel-end pivot pin
and twist to remove the pin.
6 Attach a lifting strap from an overhead crane
to the lug on the rod end of the master
cylinder.
7 Remove the pin retaining fastener from the
rod-end pivot pin.
8 Place a rod through the rod-end pivot pin and
twist to remove the pin.
9 Remove the master cylinder from the
machine.
Crushing hazard. The master
cylinder could become
unbalanced and fall if not
properly attached to the
overhead crane.
Summary of Contents for Genie S-80
Page 14: ......
Page 73: ...March 2018 Service and Repair Manual Manifolds Part No 1269074GT S 80 S 85 S 80X 59 ...
Page 83: ...March 2018 Service and Repair Manual Manifolds Part No 1269074GT S 80 S 85 S 80X 69 ...
Page 141: ...March 2018 Service and Repair Manual 127 Continental TME27 Engine Harness ...
Page 144: ...Service and Repair Manual March 2018 130 S 80X Ground Control Box Wiring Diagram ...
Page 145: ...March 2018 Service and Repair Manual 131 Deutz TD2 9 L4 Engine Harness ...
Page 148: ...Service and Repair Manual March 2018 134 Perkins 404F 22T Engine Harness ...
Page 285: ...March 2018 Service and Repair Manual 271 Continental Options Schematic ...
Page 288: ...Service and Repair Manual March 2018 274 Deutz and Perkins Options Schematic ...
Page 289: ...March 2018 Service and Repair Manual 275 Platform Level Cutout CTE Option ...
Page 292: ...Service and Repair Manual March 2018 278 12 kW Hydraulic Generator Wiring Diagram ...
Page 293: ...March 2018 Service and Repair Manual 279 12 kW Hydraulic Generator Electrical Schematic ...
Page 296: ...Service and Repair Manual March 2018 282 Belt Driven Generator Option ...
Page 297: ...March 2018 Service and Repair Manual 283 Hydraulic Schematic 2WD Models ...
Page 301: ......