Part No. 139378 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N 4 - 43June 2011 Section 4 • Repair ProceduresREV A8-1Turntable Rotation HydraulicMotorThe turntable rotation hydraulic motor is the onlyserviceable component of the turntable rotationassembly. The worm gear must not be removedfrom the housing. In order to remove the housing,the turntable has to be removed.How to Remove the TurntableRotation MotorNote: 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 andFitting Torque Specifications.1 Tag, disconnect and plug the hydraulic hosesfrom the turntable rotation motor. Cap thefittings on the motor.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.2 Remove the turntable rotation motor mountingbolts. Remove the motor from the machine.Turntable Rotation Components