Genie Z-45/25 Bi-Energy Service Manual

Also see for Z-45/25: Service manual Maintenance manual Operator's manual Operator's manual Service manual

Contents

Genie Z-45/25 Bi-Energy Service Manual Manual pdf 85 page image

Part No. 106488 Genie Z-45/25 Bi-Energy and Genie Z-45/25J Bi-Energy 4 - 21July 2004 Section 4 • Repair ProceduresREV A4 Remove the master cylinder. See 4-5,How toRemove the Master Cylinder.5 Attach a lifting strap from an overhead crane toto the lug on the rod end of the primary boomlift cylinder. Then raise the primary boom liftcylinder with the crane, to a vertical position.6 Tag, disconnect and plug the hydraulic hoses atthe primary boom lift cylinder. Cap the fittingson the cylinder.Bodily injury hazard. Sprayinghydraulic oil can penetrate andburn skin. Loosen hydraulicconnections very slowly to allowthe oil pressure to dissipategradually. Do not allow oil to squirtor spray.7 Remove the pin retaining fastener from theprimary boom lift cylinder barrel-end pivot pin.8 Use a slide hammer to remove the pin. Removethe primary boom lift cylinder from the machine.Crushing hazard. The primaryboom lift cylinder could becomeunbalanced and fall if not properlysupported by the overhead crane.9 Tag, disconnect and plug the hydraulic hoseson both of the secondary boom lift cylinders.Cap the fittings on the cylinders.Bodily injury hazard. Sprayinghydraulic oil can penetrate andburn skin. Loosen hydraulicconnections very slowly to allowthe oil pressure to dissipategradually. Do not allow oil to squirtor spray.SECONDARY BOOM COMPONENTS5-1Secondary BoomHow to Disassemble theSecondary BoomBodily injury hazard. Theprocedures in this section requirespecific repair skills, liftingequipment and a suitableworkshop. Attempting thisprocedure without these skills andtools could result in death orserious injury and significantcomponent damage. Dealerservice is required.Follow the disassembly steps to the point requiredto complete the repair. Then re-assemble thesecondary boom by following the disassemblysteps in reverse order.When removing a hose assemblyor fitting, the O-ring on the fittingand/or hose end must be replacedand then torqued to specificationduring installation.Refer to Section 2,Hydraulic Hoseand Fitting Torque Specifications.1 Remove the platform.2 Z-45/25J: Remove the jib boom.See 3-1,How to Remove the Jib Boom.3 Remove the primary boom. See 3-2,How toRemove the Primary Boom.