Terex Genie Z-135/70, Service And Repair Manual

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Service and Repair Manual October 2018
Jib Boom Components
50 Z®-135 /70 Part No. 1268557GT
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 mounting weldment and
the platform rotator. Refer to Repair
Procedure,
How to Remove the Platform
Rotator .
2 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.
3 Tag, disconnect and plug the jib boom lift
cylinder hydraulic hoses from 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.
4 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.
5 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.