Genie Z-45/22 Service Manual page 159

Section 7 - Repair Procedures
SECONDARY BOOM COMPONENTS
1 Remove the platform. See 2-1, How to Remove
the Platform .
2 Remove the primary boom. See 3-2, How to
Remove the Primary Boom .
Crushing hazard. Do not remove
the 4x4x31 inch (78cm) support
block installed during primary
boom removal.
a
b
c
a upper mid-pivot
b 4x4x31 inch block
c counterweight
3 Use an overhead crane to attach a lifting strap
to the rod-end of the primary lift cylinder. Then
raise the primary lift cylinder with the crane, to
a vertical position.
4 Remove the pin retainer from the pivot pin at
the barrel-end of the primary lift cylinder.
5 Place a rod through the barrel-end pivot pin
and twist to remove the pin. Remove the
primary lift cylinder from the machine.
Crushing hazard. The primary lift
cylinder will fall if it is not properly
supported when the barrel-end
pivot pin is removed.
7 - 22
a
6 Remove the turntable end cover.
7 Be sure that the upper mid-pivot rest is in the
industrial tire position.
Machines equipped with:
Rough terrain tires. Move the upper mid-pivot
rest up into the industrial tire position on the
mid-pivot.
Industrial tires. No modification is necessary.
a
d
8 Attach the lifting strap from an overhead crane
to the number 1 arm at the end nearest the
upper mid-pivot and lift to support.
9 Remove the pin retainers from the two
secondary lift cylinder rod-end pivot pins.
10 Place a rod through each rod-end pivot pin and
twist to remove the pins.
Genie Z-45/22
Service Manual - First Edition
a pivot pin
b 10 to 12 inch (30cm) rod
a upper mid-pivot
b mounting position holes for
rough-terrain tire models
c upper mid-pivot rest
d mounting position holes for
industrial tire models
Part No. 29487
b
b
c