September 2016
Service and Repair Manual
Primary Boom Components
Part No. 1268528
Z-40/23N, Z-40/23N RJ
39
5 Support both ends of the primary boom lift
cylinder with a second overhead crane or
similar lifting device.
6 Tag, disconnect and plug the primary 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.
7 Place a support block across both turntable
covers under the primary boom lift cylinder.
8 Remove the pin retaining fasteners from the
primary boom lift cylinder rod-end pivot pin.
Use a soft metal drift to remove the pin.
Crushing hazard. The primary
boom could become unbalanced
and fall when removed from the
machine if not properly attached
to the overhead crane.
9 Lower the rod end of the lift cylinder onto the
block. Protect the cylinder rod from damage.
Crushing hazard. The primary
boom could become unbalanced
and fall when removed from the
machine if not properly attached
to the overhead crane.
10 Remove the primary boom lift cylinder
barrelend pivot pin retaining fasteners. Use a
slide hammer to remove the barrel-end pivot
pin. Carefully remove the primary boom lift
cylinder from the machine.
Crushing hazard. The lift cylinder
could become unbalanced and
fall if not properly supported and
secured to the lifting device.
Crushing hazard. The primary
boom could become unbalanced
and fall when removed from the
machine if not properly attached
to the overhead crane.
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: ......