4 - 14 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N Part No. 139378June 2011Section 4 • Repair ProceduresREV A4-1Cable TrackThe primary boom cable track guides the cablesand hoses running up the boom. It can be repairedlink by link without removing the cables and hosesthat run through it. Removing the entire primaryboom cable track is only necessary whenperforming major repairs that involve removing theprimary boom.How to Repair the Plastic CableTrackComponent damage hazard. Theprimary boom cable track can bedamaged if it is twisted.1 Use a slotted screwdriver to pry down on thelower clip.a link separation pointb lower clip2 Repeat step 1 for each link.3 To remove a single link, open the lower clip.Use a screwdriver to pry the link to the side.4-2Primary BoomHow 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.Primary Boom Componentsab
