Genie S-45 XC Service And Repair Manual

Also see for S-40 TRAX: Maintenance manual Maintenance manual Maintenance manual Operator's manual Service manual

Contents

Genie S-45 XC Service And Repair Manual Manual pdf 44 page image

Service and Repair Manual July 2019Platform Components34 S-40 XC • S-45 XC • S-40 TraX • S-45 TraX Part No. 1286829GT2-1Platform Leveling CylinderThe slave cylinder and the rotator pivot are the twoprimary supports for the platform. The slavecylinder keeps the platform level through the entirerange of boom motion. It operates in aclosed-circuit hydraulic loop with the mastercylinder. The slave cylinder is equipped withcounterbalance valves to prevent movement in theevent of a hydraulic line failure.How to Remove the PlatformLeveling 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 primary boom until the slavecylinder barrel-end pivot pin is accessible.2 Raise the jib boom slightly and place blocksunder the platform for support.3 Lower the jib boom until the platform is restingon the blocks just enough to support theplatform.Note: Do not rest the entire weight of the jib boomon the blocks.4 Tag, disconnect and cap the hydraulic hosesfrom the slave cylinder. Plug the union hosesfrom the master cylinder together using aconnector.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.5 Remove the pin retaining fastener from theslave cylinder rod-end pivot pin. Do notremove the pin.6 Remove the external snap rings from the slavecylinder barrel-end pivot pin. Do not removethe pin.7 Place a block under the slave cylinder forsupport. Protect the cylinder rod from damage.8 Use a soft metal drift to drive the rod-end pivotpin out.Crushing hazard. The platformcould fall when the slave cylinderrod-end pivot pin is removed ifnot properly supported.Component damage hazard.The slave cylinder rod maybecome damaged if it is allowedto fall if not properly supportedby the lifting device.9 Use a soft metal drift and drive the barrel-endpin out.10 Carefully pull the cylinder out of the primaryboom.