Part No. 237062 Z-45/25 Bi-Energy • Z-45/25J Bi-Energy 4 - 7September 2015 Section 4 • Repair Procedures3-1Jib 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 on the fitting and/or hose end must bereplaced and then torqued to specification duringinstallation.Refer to Section 2,Hydraulic Hose and FittingTorque Specifications.1 Remove the platform.2 Tag and disconnect the electrical connectorsfrom the jib boom/platform rotate selectmanifold mounted 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 the manifoldand pull the hoses out through the platformrotator.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 crane tothe 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 leveling armpivot pin and let the leveling arms hang down.9 Use a soft metal drift to remove the platformrotator pivot pin and remove the platform rotatorfrom the machine.10 Slide both of the jib boom leveling arms off ofthe jib boom cylinder rod-end pivot pin.11 Remove the hose and cable cover from the sideof the jib boom. Remove the hose and cableseparators.12 Attach a lifting strap from an overhead crane tothe jib boom.13 Support the barrel end of the jib boom liftcylinder with a suitable lifting device.14 Tag, disconnect and plug the jib boom liftcylinder hydraulic hoses. 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.Jib Boom Components, Z-45/25J
