Service and Repair Manual
Primary Boom Components
How to Shim the Primary Boom
4-2 Primary Boom
1
Extend the boom until the wear pads are
accessible.
2
Loosen the wear pad mounting fasteners.
3
Install the new shims under the wear pad to
obtain zero clearance and zero drag.
4
Tighten the mounting fasteners.
5
Extend and retract the boom through an entire
cycle. Check for tight spots that could cause
scraping or binding.
Note: Always maintain squareness between the
outer and inner boom tubes.
26
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
How to Remove the Primary
How to R emove the Primary Boom
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 platform.
2
Remove the platform rotator. Refer to Repair
Procedure, How to Remove the Platform
Rotator.
3
Remove the jib boom. Refer to Repair
Procedure, How to Remove the Jib Boom.
Models without rotating jib boom: Remove
4
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.
September 2015
Part No. 1268498