Terex GS90D-4695 Service And Repair Manual

Also see for Genie GS-3390: Maintenance manual Maintenance manual Operator's manual Service and repair manual Service and repair manual

December 2023 Service and Repair ManualNon-steer Axle ComponentsPart No. 1325652GT GS™-3390 • GS™-4390 • GS™-5390 10510-1Drive Motor and BrakeHow to R emove a Drive M otor and Brak eHow to Remove a Drive Motorand BrakeComponent damage hazard.Repairs to the motor should onlybe performed by an authorizeddealer.Component damage hazard. Thework area and surfaces wherethis procedure will be performedmust be clean and free of debristhat could get into the hydraulicsystem and cause severecomponent damage. Dealerservice is recommended.Note: 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 Block the steer wheels.2 Tag, disconnect and plug the hydraulic hosesfrom the drive motor and brake. Cap thefittings on the drive motor and brake.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 drive motor mounting fasteners.4 Slide the drive motor shaft out of the brakeand remove the drive motor from themachine.5 Remove the brake from the drive hub.Note: There are two O-rings on the drive motorand brake assembly. One is installed between thebrake and drive hub and another between thebrake and drive motor. Be sure that both O-ringsare in place when installing the brake and drivemotor onto the machine.Mounting bolt torque specificationsDrive motor to drive hub, dry 75 ft-lbs102 NmDrive motor to drive hub, lubricated 56 ft-lbs76 Nm