Service Manual April 2016Primary Boom Components60 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N Part No. 139378How to Shim the Primary Boom1 Extend the boom until the wear pads areaccessible.2 Loosen the wear pad mounting fasteners.3 Install the new shims under the wear pad toobtain zero clearance and zero drag.4 Tighten the mounting fasteners.5 Extend and retract the boom through an entirecycle. Check for tight spots that could causescraping or binding.Note: Always maintain squareness between theouter and inner boom tubes.How to R emove the Primary BoomHow to Remove the PrimaryBoomBodily injury hazard. Thisprocedure requires specific repairskills, lifting equipment and asuitable workshop. Attemptingthis procedure without these skillsand tools could result in death orserious injury and significantcomponent damage. Dealerservice is strongly recommended.Note: Perform this procedure with the boom in thestowed position.Note: When removing a hose assembly or fitting,the O-ring (if equipped) on the fitting and/or hoseend must be replaced. All connections must betorqued to specification during installation. Refer toSpecifications, Hydraulic Hose and Fitting TorqueSpecifications.1 Remove the platform.2 Remove the platform rotator. Refer to RepairProcedure, How to Remove the PlatformRotator.3 Remove the jib boom. Refer to RepairProcedure, How to Remove the Jib Boom.4 Models without rotating jib boom: Removethe jib boom bellcrank. Refer to RepairProcedure, How to Remove the Jib BoomBellcrank.Models with rotating jib boom: Remove thejib boom rotator. Refer to Repair Procedure,How to Remove the Jib Boom Rotator.
