Terex Genie Z-45 XC Service And Repair Manual

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Service and Repair Manual November 2020Jib Boom Components30 Z®-45 XC™ • Z®-45 HF Part No. 1268197GT3-1Jib BoomHow to Remove the Jib BoomNote: Perform this procedure with the boom in thestowed position.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 Remove the platform.2 Disconnect the electrical connector from thejib boom/platform rotate select valve manifoldmounted to the platform support.3 Tag, disconnect and plug all of the hydraulichoses from the jib boom/platform rotate selectvalve manifold. Cap the fittings on themanifold and pull the hoses out through theplatform rotator.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.4 Remove the platform mounting weldment.5 Attach a lifting strap from an overhead craneto the platform rotator for support.6 Remove the pin retaining fastener from the jibboom lift cylinder rod-end pivot pin. Do notremove the pin.7 Remove the pin retaining fasteners from bothplatform rotator pivot pins. Do not remove thepins.8 Use a soft metal drift to remove the levelingarm pivot pin and let the leveling arms hangdown.9 Slide both of the jib boom leveling arms off ofthe jib boom cylinder rod-end pivot pin.10 Remove the hose and cable cover from theside of the jib boom. Remove the hose andcable separators.11 Attach a lifting strap from an overhead craneto the jib boom.12 Support the barrel end of the jib boom liftcylinder with a suitable lifting device.13 Tag, disconnect and plug the jib boom liftcylinder hydraulic hoses. Cap the fittings onthe cylinder.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.14 Remove the pin retaining fastener from the jibboom lift cylinder barrel-end pivot pin.