Jib Boom Components; Jib Boom - Genie Z80/60 Service Manual

Section 4 • Repair Procedures

Jib Boom Components

3-1

Jib Boom

How to Remove the Jib Boom
Note: Perform this procedure with the boom in the
stowed position.
Note: 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 2, Hydraulic Hose and
Fitting Torque Specifications.
1 Remove the platform mounting weldment
and the platform rotator. See 2-3, 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 lifitng
pressure.
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.
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Z-80/60
June 2011
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jib boom
platform rotator upper pivot pin
platform rotator lower pivot pin
jib boom leveling arm
jib cylinder pivot pin
jib boom cylinder
primary boom lower pivot pin
primary boom upper pivot pin
Part No. 88619
REV C REV B