Genie Z-45/22 Service Manual page 154

Service Manual - First Edition
Crushing hazard. Keep hands
away from the block and all
moving parts when lowering the
secondary boom.
2 Raise the primary boom until the end of the
boom is 8 feet (2.5m) off the ground.
3 Support the primary boom with an overhead
crane. Do not lift the primary boom.
4 Disconnect and plug the primary lift cylinder
hydraulic hoses.
Bodily injury hazard. Spraying
hydraulic oil can perforate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to squirt
or spray.
5 Remove the pin retainer from the pivot pin at
the barrel-end of the primary lift cylinder.
6 Use an overhead crane to lift the primary boom
1 inch (2.5cm). This will relieve pressure on the
barrel-end pivot pin.
7 Support the primary lift cylinder with straps or
ropes to restrict it from swinging freely.
8 Place a rod through the barrel-end pivot pin
and twist to remove the pin.
a pivot pin
b 10 to 12 inch rod
Part No. 29487
9 Carefully loosen the straps and allow the
primary lift cylinder to slowly swing down. Now
attach the rod of the primary lift cylinder to an
overhead crane or similar lifting device.
10 Remove the pin retainer from the remaining
pivot pin, then use a soft metal drift to remove
the pin.
a
b
Genie Z-45/22
Section 7 - Repair Procedures
PRIMARY BOOM COMPONENTS
Crushing hazard. When the
barrel-end pivot pin is removed,
the primary lift cylinder will swing
down if it is not properly
supported.
Crushing hazard. The primary lift
cylinder will fall if it is not properly
supported.
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