How To Remove The Primary Boom - Genie Z-40/23N Service And Repair Manual

September 2016
How to R emove the Primary Boom
How to Remove the Primary
Boom
Bodily injury hazard. This
procedure 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 strongly recommended.
Note: Perform this procedure with the boom in the
stowed position.
Note: When removing a hose assembly or fitting,
the O-ring (if equipped) on the fitting and/or hose
end must be replaced. All connections must be
torqued to specification during installation. Refer to
Specifications, Hydraulic Hose and Fitting Torque
Specifications.
1 Remove the jib boom. Refer to Repair
Procedure, How to Remove the Jib Boom.
2 Models without rotating jib boom: Remove
the jib boom bellcrank. Refer to Repair
Procedure, How to Remove the Jib Boom
Bellcrank.
Models with rotating jib boom: Remove the
jib boom rotator. Refer to Repair Procedure,
How to Remove the Jib Boom Rotator.
Part No. 1268528
Primary Boom Components
3 Remove the cable track. Refer to Repair
Procedure, How to Remove the Cable Track.
4 Remove the hose and cable guard from the
upper pivot.
5 Raise the primary boom until the master
cylinder barrel-end pivot pin is accessible.
6 Remove the pin retaining fastener from the
master cylinder barrel-end pivot pin. Use a soft
metal drift to remove the pin. Lower the
cylinder and let it hang down.
7 Locate the primary boom drive speed limit
switch inside the upper pivot.
Z-40/23N, Z-40/23N RJ
Service and Repair Manual
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.
Component damage hazard.
When lowering the master
cylinder down, be sure not to
damage the master cylinder
hoses or fittings.
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