Service and Repair Manual May 2020Boom Components44 SX™-105 XC™ • SX™-125 XC™ Part No. 1271700GT4-1Cable TrackThe cable track and boom cable guides the cablesand hoses running up the boom. The cable trackcan be repaired link by link without removing thecables and hoses that run through it. Removingthe entire cable track assembly may be necessarywhen performing major repairs that involveremoving the boom.How to Remove the Boom CableTrackNote: When removing a hose assembly or fitting,the O-ring on the fitting and/or hose end must bereplaced and then torqued to specification duringinstallation.Refer to Specifications, Hydraulic Hose and FittingTorque Specifications.Note: Perform this procedure with the machine ona firm, level surface.Note: Perform this procedure with the boom fullystowed.1 Remove the hose and cable cover retainingfasteners from the jib boom leveling arm.Remove the hose and cable cover from themachine.2 Remove the protective coil sleeve from thehose and cable bundle at the platform end ofthe boom cable tube.3 Tag, disconnect and plug all hydraulic hosesfrom the boom cable tube to the platformmanifold.Note: If your machine is equipped with an airline toplatform option and/or weld cable option, theairline and/or cable must be disconnected from theplatform before the cable track is removed.4 Tag and disconnect the black electricalconnector from the bottom of the control box.5 Remove the platform-end boom cable tubemounting fasteners at the engine side of themachine.6 Remove the cable track mounting fastenersfrom the cable track support at the engineside of the machine.7 Remove the wear pad mounting weldmentfrom the cable track support bracket at theengine side of the machine.8 Remove the hose and cable clamp from thecable track support bracket at the engine sideof the machine.9 Place blocks between the cable track and theboom cable tube for support.10 Strap together the boom cable tube, blocks ofwood, and the cable track at the engine sideof the machine.Component damage hazard.Cables, hoses, boom cable tubeand cable track can be damagedif they are kinked or pinched.11 Remove the limit switch cover retainingfasteners from the top of the number 2 boomtube at the platform end of the machine.Remove the limit switch cover.12 Tag and disconnect the wiring connectorsfrom the proximity and limit switches on thetop of the number 2 boom tube at the platformend of the machine.