Jib Boom - Terex Genie ZX-135/70 Service Manual

Service Manual
Jib Boom Components
3-2

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. Refer to Repair
Procedure, How to 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 two hydraulic
hoses from the jib boom manifold that lead to
the platform 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.
106
4 Tag, disconnect and plug the jib boom lift
cylinder hydraulic hoses from the jib boom
manifold. Cap the fittings on the manifold.
5 Remove the cotter pin from the upper cable
track tube at the platform end of the jib boom.
Note: Always replace the cotter pin with a new one.
6 Remove the cable track guide fasteners from
the cable track guide at the platform end of the
jib boom and remove the cable track guide
from the jib boom.
7 Place blocks between the upper and lower
cable tracks and secure the upper and lower
tracks together.
8 Attach a lifting strap from an overhead crane
to the cable track.
9 Remove the mounting fasteners that attach
the lower cable track to the jib boom.
10 Remove the cable track from the machine and
lay to the side.
ZX-135/70
September 2015
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.
Crushing hazard. If the upper
and lower cable tracks are not
properly secured together, the
cable track could become
unbalanced and fall when
removed from the machine.
Crushing hazard. The cable
track could become
unbalanced and fall if not
properly attached to the
overhead crane.
Component damage hazard.
Cables and hoses can be
damaged if they are kinked or
pinched.
Part No. 218700