October 2016 Service and Repair ManualTurntable Rotation ComponentsPart No. 1269074 S-80 • S-85 • S-80X 79When installing the drive hub assembly:6 Install the drive hub. Apply removable threadlocking compound to fastener threads.Torquethe backlash pivot plate mounting fasteners tospecification. Refer to Specifications, MachineTorque Specifications.7 Install the brake and then the motor onto thedrive hub. Apply removable thread lockingcompound to fastener threads.Torque themotor/brake mounting fasteners tospecification. Refer to Specifications, MachineTorque Specifications.8 Adjust turntable rotation gear backlash. Referto Repair Procedure, How to Adjust theTurntable Rotation Gear Backlash.How to R emove the Tur ntabl e R otation H ydr aulic M otorHow to Remove the TurntableRotation Hydraulic MotorNote: 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.2 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 Remove the hydraulic tube that connects fromthe counterbalance manifold to the brake. Capthe fittings on the brake and manifold.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 motor/brake mounting fasteners.Carefully remove the motor from the brake.
