September 2016
Service and Repair Manual
Jib Boom Components
Part No. 1268528
Z-40/23N, Z-40/23N RJ
27
3-1
Jib Boom
How to Remove the Jib Boom
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.
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 and the platform
mounting weldment.
2 Support the platform rotator with a suitable
lifting device.
3 Tag, disconnect and plug the platform rotator
hydraulic hoses. Cap the fittings on the
rotator.Remove the platform. Remove the
platform mounting weldment and the platform
rotator. Refer to Repair Procedure,
How to
Remove the Platform Rotator
4 Attach a lifting strap from an overhead crane
to the jib boom for support.
Component damage hazard.
Hoses and cables can be
damaged if they are kinked or
pinched.
5 Remove the pin retaining fasteners from the
jib boom leveling arm pivot pin at the platform
rotator.
6 Use a soft metal drift to remove the leveling
arm pivot pin. Let the leveling arms and jib
boom lift cylinder hang down.
7 Remove the pin retaining fastener from the jib
boom lift cylinder barrel-end pivot pin.
8 Use a soft metal drift to remove the platform
rotator pivot pin and remove the platform
rotator from the machine.
Crushing hazard. The jib boom
could fall when the pin is
removed if not properly
supported by the overhead
crane.
9 Remove the pin retaining fasteners from the
jib boom lift cylinder rod-end pivot pin. Do not
remove the pin.
10 Slide both of the jib boom leveling arms off of
the jib boom cylinder rod-end pivot pin.
11 Remove all hose and cable clamps from the jib
boom.
12 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.
Summary of Contents for Genie Z-40/23N
Page 63: ...September 2016 Service and Repair Manual Manifolds Part No 1268528 Z 40 23N Z 40 23N RJ 53 ...
Page 111: ...September 2016 Service and Repair Manual 101 Electrical Schematic Chassis ...
Page 114: ...Service and Repair Manual September 2016 104 Electrical Schematic Ground Controls ...
Page 115: ...September 2016 Service and Repair Manual 105 Electrical Schematic Platform Controls ...
Page 118: ...Service and Repair Manual September 2016 108 Ground Control Box Wiring Diagram ...
Page 119: ...September 2016 Service and Repair Manual 109 Platform Control Box Wiring Diagram ...
Page 122: ...Service and Repair Manual September 2016 112 Platform Control Box Wiring Diagram Options ...
Page 123: ...September 2016 Service and Repair Manual 113 Hydraulic Schematic ...
Page 125: ......