Genie Z-34/22 Service Manual page 93

Service Manual
Secondary Boom Components
32 Remove the pin retaining fastener from the
upper secondary boom to mid-pivot pivot pin.
Use a soft metal drift to remove the pin.
33 Remove the upper secondary boom with
compression link from the machine.
Crushing hazard. If the overhead
crane is not properly attached,
the upper secondary boom with
compression link may become
unbalanced and fall when it is
removed from the machine.
34 Remove the drive speed limit switch mounted
on the inside of the mid-pivot. Do not
disconnect the wiring.
35 Remove the cable covers from the top of the
lower secondary boom. Pull all the cables and
hoses to the back of the turntable.
36 Remove the retaining fasteners from the
secondary boom lift cylinder barrel-end pivot
pins.
37 Attach the strap from the crane to the lug on
the rod end of the secondary boom lift
cylinder.
38 Tag, disconnect and plug the hydraulic hoses
from the secondary boom lift 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.
80
39 Use a slide hammer to remove the barrel-end
pins (access the pins from the access holes in
the bulkheads, one on each side). Then
remove the cylinder from the machine.
40 Attach the strap from the crane to the
mid-pivot.
41 Remove the pin retainers from the mid-pivot to
lower compression arm pivot pins. Use a slide
hammer and remove the pin.
42 Remove the pin retainers from the mid-pivot to
lower secondary boom pivot pins. Use a soft
metal drift to remove the pin.
43 Remove the mid-pivot from the machine.
44 Attach the strap from the crane to the control
box side lower compression arm.
Z-34/22 Bi-Energy
April 2016
Crushing hazard. If the overhead
crane is not properly attached,
the secondary boom lift cylinder
may become unbalanced and fall
when it is removed from the
machine.
Crushing hazard. If the overhead
crane is not properly attached,
the mid-pivot could become
unbalanced and fall when it is
removed from the machine.
Part No. 139234