Part No. 237062
Z-45/25 Bi-Energy • Z-45/25J Bi-Energy
4 - 7
September 2015
Section 4 • Repair Procedures
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.
2 Tag and disconnect the electrical connectors
from the jib boom/platform rotate select
manifold mounted to the platform support.
3 Tag, disconnect and plug all of the hydraulic
hoses from the jib boom/platform rotate select
valve manifold. Cap the fittings on the manifold
and pull the hoses out through the platform
rotator.
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 platform mounting weldment.
5 Attach a lifting strap from an overhead crane to
the platform rotator for support.
6 Remove the pin retaining fastener from the jib
boom lift cylinder rod-end pivot pin. Do not
remove the pin.
7 Remove the pin retaining fasteners from both
platform rotator pivot pins. Do not remove the
pins.
8 Use a soft metal drift to remove the leveling arm
pivot pin and let the leveling arms hang down.
9 Use a soft metal drift to remove the platform
rotator pivot pin and remove the platform rotator
from the machine.
10 Slide both of the jib boom leveling arms off of
the jib boom cylinder rod-end pivot pin.
11 Remove the hose and cable cover from the side
of the jib boom. Remove the hose and cable
separators.
12 Attach a lifting strap from an overhead crane to
the jib boom.
13 Support the barrel end of the jib boom lift
cylinder with a suitable lifting device.
14 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.
Jib Boom Components, Z-45/25J
Содержание Genie Z-45/25 Bi-Energy
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