Part No. 32960 Genie Z-45/22 7 - 19Service Manual - Second Edition Section 7 - Repair ProceduresPRIMARY BOOM COMPONENTS7 Disconnect and plug the extension cylinderhydraulic 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 to squirtor spray.8 Remove the fasteners from the extensioncylinder pivot pin, then use a soft metal drift toremove the pin.9 Carefully pull out and properly support theextension cylinder from the platform end of theprimary boom.Crushing hazard. The cylinder willfall if it is not properly supportedwhen it is pulled out of theextension tube.To make installation the extensioncylinder easier, be sure that thecylinder rod is extended 3 to 4feet (1 m).3-5Platform Leveling Master CylinderThe master cylinder acts as a pump for the slavecylinder. It’s part of the closed circuit hydraulicloop that keeps the platform level through theentire range of primary boom motion. The mastercylinder is located inside the upper mid-pivot at thebase of the primary boom.How to Remove the PlatformLeveling Master CylinderThis procedure requires specificrepair skills, lifting equipment anda suitable workshop. Attemptingthis procedure without these skillsand tools may result in death orserious injury and significantcomponent damage. Dealerservice is strongly recommended.Before cylinder removal isconsidered, bleed the cylinder tobe sure that there is no air in theclosed loop. See 2-2,How toBleed the Slave Cylinder.1 Remove the end cover from the turntable.2 Raise the secondary boom and place a 4x4x31inch (78 cm) block between the chassiscounterweight and the upper mid-pivot.Carefully lower the secondary boom onto theblock.Crushing hazard. Keep handsaway from the block and allmoving parts when lowering thesecondary boom.3 Extend the primary boom 6 inches (15 cm),then raise the primary boom until it is level.a upper mid-pivotb 4x4x31 inch blockc counterweightbac800-610-4101ActionRental.com
