Genie Z-22 Bi-Energy, Service And Repair Manual

Page: 34 / 123

Service and Repair Manual September 2015
Jib Boom Components
22 Z-34/22 Bi-Energy Part No. 1268515
Jib Boom Components
3-1 Jib Boom 3-1
Jib Boom
How to R emove the 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 (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.
2 Remove the platform mounting weldment and
the platform rotator. Refer to Repair
Procedure, How to Remove the Platform
Rotator
.
3 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.
4 Remove the cable cover from the side of the
jib boom.
5 Tag, disconnect and plug the hydraulic hoses
from ports "T" and "P" of the jib boom
manifold. Cap the fittings on the manifold.
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.
6 Tag and disconnect the electrical wiring from
the jib boom manifold.
7 Attach a lifting strap from an overhead crane
to the jib boom.
8 Remove the pin retaining fasteners from the
jib boom pivot pin at the jib boom bellcrank.
9 Use a soft metal drift to remove the jib boom
pivot pin. Remove the jib boom from the jib
boom bellcrank.
Crushing hazard. The jib boom
could fall when the pin is
removed if not properly
supported by the overhead
crane.
10 Remove the pin retaining fasteners from the
jib boom lift cylinder rod-end pivot pin. Do not
remove the pin.
11 Remove both of the jib boom leveling links
from the bellcrank.
12 Attach a lifting strap from an overhead crane
to the rod-end of the jib boom lift cylinder.
13 Use a soft metal drift to remove the jib boom
lift cylinder rod-end pivot pin. Remove the jib
boom lift cylinder from the jib boom bellcrank.
Crushing hazard. The jib boom
lift cylinder may become
unbalanced and fall when it is
removed from the machine if it is
not properly supported by the
overhead crane.