Genie Z-45/25 Service Manual page 373

First Edition • Second Printing
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 Remove the hose and cable cover from the side
of the jib boom.
Part No. 52709
13 Remove the hose clamp on the primary boom
bellcrank.
14 Place blocks between the upper and lower
cable tracks and secure the upper and lower
tracks together.
15 Attach a lifting strap from an overhead 5 ton
(4,536 kg) capacity crane to the platform end of
the primary boom for support. Do not lift it.
16 Remove all hose and cable clamps from the
underside of the primary boom.
17 Support the rod end of the primary boom lift
cylinder with a lifting device.
18 Remove the pin retaining fasteners from the
primary boom lift cylinder rod-end pivot pin. Do
not remove the pin.
19 Raise the primary boom slightly with the
overhead crane to relieve the pressure on the
primary boom lift cylinder rod-end pivot pin.
20 Use a soft metal drift to remove the primary
boom lift cylinder rod-end pivot pin.
Genie Z-45/25 & Genie Z-45/25J
Section 7 • Repair Procedures
PRIMARY BOOM COMPONENTS
Crushing hazard. If the upper and
lower cable tracks are not properly
secured together, the cable track
may become unbalanced and fall
when it is removed from the
machine.
Crushing hazard. The primary
boom lift cylinder may become
unbalanced and fall if it is not
properly supported by the lifting
device.
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