Boom - Genie Z-25/8 Service Manual

First Edition • Third Printing
4-1

Boom

How to Disassemble the Boom
Bodily injury hazard. This
procedure in this section requires
specific repair skills, lifting
equipment and a suitable
workshop. Attempting this
procedure without these skills and
tools could result in death or
serious injury and significant
component damage. Dealer
service is required.
Follow the disassembly steps to the point required
to complete the repair. Then re-assemble the
boom by following the disassembly steps in
reverse order.
When removing a hose assembly
or fitting, the O-ring on the fitting
and/or hose end must be replaced
and then torqued to specification
during installation.
Refer to Section Two, Hydraulic
Hose and Fitting Torque
Specifications.
1 Remove the platform. See 2-1, How to
Remove the Platform.
2 Remove the jib boom. See 3-1, How to
Remove the Jib Boom.
3 Remove the jib boom rotator. See 3-3, How to
Remove the Jib Boom Rotator.
Part No. 41314 Genie Z-20/8N & Genie Z-20/8 & Genie Z-25/8
Section 7 • Repair Procedures
4 Disconnect the battery packs from the
machine.
5 Remove the cable cover retaining fasteners
from the upper boom. Remove the cable cover.
6 Locate the cable that enters the platform
controls that was attached to the jib manifold.
Do not disconnect this cable.
7 Locate the remaining 4 cables that enter the
platform control box. Number each cable and
its entry location at the platform control box.
8 Open the platform control box. Label and
disconnect each wire of the 4 cables in the
platform control box.
Electrocution hazard. Contact with
electrically charged circuits could
result in death or serious injury.
Remove all rings, watches and
other jewelry.
9 Pull the 4 cables out of the platform control
box.
10 Pull all of the cables and hoses through the
mid-pivot and then lay off to the side.
Component damage hazard.
Cables and hoses can be
damaged if they are kinked or
pinched.
11 Remove the pin retaining fasteners from the
upper leveling arm pivot pin at the mid-pivot.
Do not remove the pin.
BOOM COMPONENTS
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