Jib Boom Components; Jib Boom - Genie Z-80/60 Service And Repair Manual

September 2016
3-1

Jib Boom

How to Remove the Jib Boom
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: Perform this procedure with the boom in the
stowed position.
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 Remove the platform mounting weldment and
the platform rotator. Refer to Repair
Procedure, How to Remove the Platform
Rotator.
2 Remove the hose and cable cover retaining
fasteners from the jib boom. Remove the hose
and cable cover from the machine.
3 Attach a lifting strap from an overhead crane to
the jib boom for support. Do not apply lifting
pressure.
Part No. 1268556

Jib Boom Components

4 Tag, disconnect and plug the jib boom lift
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.
1 jib boom
2 platform rotator upper pivot pin
3 platform rotator lower pivot pin
4 jib boom leveling arm
5 jib cylinder pivot pin
6 jib boom cylinder
7 primary boom lower pivot pin
8 primary boom upper pivot pin
5 Support the barrel end of the jib boom cylinder
with another suitable lifting device.
6 Remove the pin retaining fastener from the jib
boom lift cylinder barrel-end pivot pin.
Service and Repair Manual
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