Genie Z-45/22 Service Manual page 173

Section 7 - Repair Procedures
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PRIMARY BOOM COMPONENTS
4 Disconnect and plug the extension cylinder
hydraulic hoses. Cap the ports on the
extension 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.
5 Fully lower the primary boom and support it
with an overhead crane.
6 Disconnect and plug the primary lift cylinder
hydraulic hoses. Cap the ports on the primary
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.
7 Support the barrel-end of the primary lift
cylinder with a strap.
8 Remove the pin retainer from the primary lift
cylinder barrel-end pivot pin.
9 Place a rod through the barrel-end pivot pin
and twist to remove the pin.
a
a
b
7 - 20
pivot pin
10 to 12 inch (30cm) rod
10 Carefully lower and rest the barrel-end of the
primary lift cylinder on the turntable
counterweight.
11 Disconnect and plug the platform leveling
master cylinder hydraulic hoses. Cap the
fittings on the master cylinder.
12 Remove the retaining fastener from the
platform leveling master cylinder rod-end pivot
pin, then use a slide hammer to remove the
pin.
13 Attach a strap to the rod-end of the platform
leveling master cylinder.
14 Remove the pin retainer from the platform
leveling master cylinder barrel-end pivot pin.
Then support the cylinder with the strap.
15 Place a rod through the barrel-end pivot pin
and twist to remove the pin.
b
16 Carefully lower the platform leveling master
cylinder down and out of the upper mid-pivot.
Genie Z-45/22
Service Manual - Second Edition
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.
Crushing hazard. The cylinder will
fall if it is not supported when the
pivot pin is removed.
a
b
a pivot pin
b 10 to 12 inch (30cm) rod
Part No. 32960