Service and Repair Manual October 2019Boom Components40 S® -80 XC ™ • S® -85 XC ™ • S®-80 HF • S®-85 HF Part No. 1280490GTBoom Com ponent s4-1 C able Track4-1Cable TrackThe boom cable track guides cables and hosesrunning up the boom. It can be repaired link by linkwithout removing the cables and hoses that runthrough it. Removing the entire boom cable track isnecessary when performing major repairs thatinvolve removing the boom.How to R emove the Cable Track , S-80How to Remove the Cable TrackNote: 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 Open the platform control box.2 Tag and disconnect the foot switch wiring fromthe terminal strip inside the platform controlbox.3 Loosen the squeeze connector and removethe foot switch cable from the control box.4 Disconnect the wire connectors from thebottom of the platform control box.Note: When installing the wire connectors to thebottom of the platform control box, match the colorof the connectors to those on the control box to besure they are installed in the correct location.5 Remove the mounting fasteners from thepower to platform outlet box bracket. Lay theoutlet box and bracket assembly off to theside.6 S-80XC: Tag, disconnect and plug thehydraulic hoses from the counterbalance valvemanifold located on the platform rotator. Capthe fittings on the manifold.Bodily injury hazard. Sprayinghydraulic oil can penetrate andburn skin. Loosen hydraulicconnections very slowly to allowthe oil pressure to dissipategradually. Do not allow oil tosquirt or spray.7 Tag, disconnect and plug the hydraulic hosesfrom the platform leveling slave cylinder at theplatform manifold and cap the fittings.Bodily injury hazard. Sprayinghydraulic oil can penetrate andburn skin. Loosen hydraulicconnections very slowly to allowthe oil pressure to dissipategradually. Do not allow oil tosquirt or spray.8 Remove the timing link/timing link cam pin andgently rest the timing link against thecounterweight.9 S-85XC:Remove the hose and cable coverfrom the side of the jib boom.10 Tag, disconnect and plug the hydraulic hosesfrom the jib boom/platform rotate selectmanifold. Cap the fittings on the manifold.11 Tag, disconnect and plug the wiring from thejib boom/platform rotate select manifold.
