Jib Boom Components; Jib Boom - Genie Z-60/34 Service Manual

Section 4 • Repair Procedures

Jib Boom Components

3-1

Jib Boom

How to Remove the Jib Boom
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.
1 Remove the platform.
2 Remove the platform mounting weldment,
the platform leveling slave cylinder and the
platform rotator.
3 Support the platform pivot weldment with an
appropriate lifting device.
4 Remove the pin retaining fasteners from the
platform pivot weldment to jib boom pivot pin.
Use a soft metal drift to remove the pin, then
remove the platform pivot weldment from the jib
boom.
Crushing hazard. The platform
pivot weldment may become
unbalanced and fall when
removed from the machine if not
properly supported.
4 - 10
5 Tag, disconnect and plug the jib boom lift
cylinder hydraulic hoses. Cap the fittings on the
cylinder.
6 Remove the pin retaining fasteners from the jib
boom lift cylinder barrel-end pivot pin. Do not
remove the pin.
7 Tag, disconnect and plug all the hydraulic
hoses from the jib boom manifold. Cap the
fittings on the manifold.
8 Tag and disconnect the wiring from the jib boom
manifold.
9 Pull the hydraulic hoses up through the jib boom
lift cylinder mounting bracket.
Genie Z-60/34
November 2003
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.
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.
Component damage hazard.
Hoses can be damaged if they are
kinked or pinched.
Part No. 75861
REV A