Genie S-65 XC Service And Repair Manual

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Contents

Genie S-65 XC Service And Repair Manual Manual pdf 44 page image

Service and Repair Manual September 2018Platform Components34 S® -60 XC ™ • S® -65 XC ™ Part No. 1288652GT2-1Platform Leveling Slave CylinderThe slave cylinder and the rotator pivot are thetwoprimary supports for the platform. The slavecylinder keeps the platform level through the entirerange of boom motion. It operates in a closed-circuithydraulic loop with the master cylinder. The slavecylinder is equipped with counterbalance valves toprevent movement in the event of a hydraulic linefailure.How to Remove the PlatformLeveling Slave CylinderNote: Before cylinder removal is considered, bleedthe slave cylinder to be sure there is no air in theclosed loop.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 Extend the boom until the slave cylinderbarrel-end pivot pin is accessible.2 Raise the boom slightly and place blocksunder the platform for support.3 Lower the boom until the platform is resting onthe blocks just enough to support the platform.Note: Do not rest the entire weight of the boom onthe blocks.4 Remove the pin retaining fastener from theslave cylinder rod-end pivot pin. Use a softmetal drift to drive the rod-end pivot pin out.Crushing hazard. S-65 and S-65TRAX: The jib boom could fallwhen the slave cylinder rod-endpivot pin is removed if notproperly supported.5 Remove the external snap rings from thebarrel-end pivot pin.6 Use a soft metal drift to drive the barrel-endpivot pin out.7 Carefully pull the cylinder out of the boom toaccess the hydraulic hoses.8 Tag, disconnect and plug the hydraulic hosesfrom the slave cylinder. Cap the fittings on thecylinder.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.How to Bleed the Slave CylinderNote: Do not start the engine. Use auxiliary powerfor this procedure.1 Simultaneously activate the boom up functionand the platform level up function until theboom is fully raised.2 Simultaneously activate the boom downfunction and the platform level down functionuntil the boom is fully lowered.