Genie Z-34/22IC, Service Manual

Page: 85 / 185

Part No. 128267 Z-34/22 IC 4 - 13
July 2007 Section 4 • Repair Procedures
REV A
2 Tag, disconnect and plug the jib boom lift
cylinder hydraulic hoses. Cap the fittings on the
jib boom lift 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.
3 Remove the pin retaining fasteners from the jib
boom lift cylinder rod-end pivot pin. Do not
remove the pin.
4 Use a soft metal drift to tap the rod-end pivot
pin half way out and lower one of the leveling
links to the ground. Tap the pin the other
direction and lower the opposite leveling link.
Do not remove the pin.
5 Attach a lifting strap from an overhead crane to
the rod end of the jib boom lift cylinder.
6 Remove the pin retaining fasteners from the jib
boom lift cylinder barrel-end pivot pin. Use a
soft metal drift to remove the barrel-end pivot
pin.
Crushing hazard. The jib boom
and/or platform could fall when the
pin is removed if not properly
supported.
7 Use a soft metal drift to remove the jib boom lift
cylinder rod-end pivot pin. Remove the jib boom
lift cylinder from the machine.
Crushing hazard. The jib boom lift
cylinder could fall when the pins
are removed if not properly
supported by the overhead crane.
JIB BOOM COMPONENTS