Service Manual April 2016Turntable Rotation Components90 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N Part No. 1393788-1Turntable 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 (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 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 tosquirt or spray.2 Remove the turntable rotation motor mountingbolts. Remove the motor from the machine.
