Primary Boom Extension Cylinder - Genie Z-60/34 Service Manual

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November 2003
REV A
11 Remove the pin retaining fasteners from the
primary boom lift cylinder barrel-end pivot pin.
Then use a soft metal drift to remove the pin.
12 Lower the barrel end of the cylinder onto the
block that was placed on the lower secondary
boom leveling links. Then lower the secondary
boom onto the boom rest.
13 Carefully pull the lift cylinder toward the platform
end of the secondary boom.
14 Support and secure the cylinder to an
appropriate lifting device.
15 Remove the cylinder from the machine.
Crushing hazard. The primary
boom lift cylinder may fall when
removed from the machine if not
properly supported and secured to
the lifting device.
Part No. 75861
4-4
Primary Boom Extension
Cylinder
The primary boom extension cylinder extends and
retracts the primary boom extension tube. It can
only be removed from the platform end of the
primary boom. The extension cylinder is equipped
with counterbalance valves to prevent movement
in the event of a hydraulic line failure.
How to Remove the Primary
Boom Extension Cylinder
Genie Z-60/34
Section 4 • Repair Procedures
PRIMARY BOOM COMPONENTS
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.
Perform this procedure with the
boom in the stowed position.
When removing a hose assembly
or fitting, the O-ring on the fitting
and/or hose end must be replaced
and then torqued to specification
during installation.
Refer to Section Two, Hydraulic
Hose and Fitting Torque
Specifications.
4 - 21

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