February 2017 Service ManualTurntable Rotation ComponentsPart No. 1259369GT S-80 • S-85 • S-80X 13510-1Turntable Rotation Drive HubAssemblyHow to R emove the Tur ntabl e R otation Driv e H ub As sem blyHow to Remove the TurntableRotation Drive Hub AssemblyNote: 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 Secure the turntable from rotating with theturntable rotation lock pin.unlocked locked2 Tag, disconnect and plug the hydraulic hosesfrom the drive motor. Cap the fittings on themotor.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.3 Loosen the backlash pivot plate andadjustment bolts.4 Attach a suitable lifting device to the liftingeyes on the drive hub assembly.1 backlash pivot plate2 adjustment bolt with lock nut3 backlash pivot plate mounting bolts5 Remove the backlash pivot plate mountingbolts. Carefully remove the drive hubassembly from the machine.Crushing hazard. The turntablerotate drive hub assembly couldbecome unbalanced and fallwhen removed from the machineif not properly supported by thelifting device.
