Service and Repair Manual
July 2021
Primary Boom Components
34
Z
®
-45/25 • Z
®
-45/25J
Part No. 1312350GT
7 Tag and disconnect the hydraulic hoses from
the platform leveling slave cylinder at the
union and connect them together using a
connector. Connect the hoses from the
cylinder together using a connector.
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.
8 Tag, disconnect and plug the hydraulic hoses
from the jib boom/platform rotate 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.
9 Tag, disconnect and plug the platform rotator
hydraulic hoses at the union located above
the primary boom lift cylinder. Cap the fittings
on the unions.
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.
10 Tag, disconnect and plug the hydraulic hoses
from the platform leveling master cylinder.
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.
11 Raise the boom to a horizontal position.
12 Place blocks between the upper and lower
cable tracks and secure the upper and lower
tracks together.
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.
13 Attach a lifting strap from an overhead 5 ton /
5,000 kg capacity suitable device to the
platform end of the primary boom for support.
Do not lift it.
14 Remove all hose and cable clamps from the
underside of the primary boom.
15 Support the rod end of the primary boom lift
cylinder with a suitable lifting device.
16 Remove the pin retaining fasteners from the
primary boom lift cylinder rod-end pivot pin.
Do not remove the pin.
Содержание Genie Z-45/25 Bi-Energy
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