Part No. 34032 Genie S-80 & Genie S-85 7 - 55Service Manual - First Edition Section 7 - Repair Procedures17-2Torque HubHow to Remove a DriveTorque Hub1 Remove the drive motor. See 17-1, How toRemove a Drive Motor.2 Disconnect the hydraulic hose from the brakeand plug it. Then remove the hydraulic fittingand the bleed valve.3 Loosen the wheel lug nuts. Do notremove them.4 Center a lifting jack under the non-steeringaxle. Raise the machine and place blocksunder the drive chassis to support it.5 Remove the wheel lug nuts, then the tire andwheel assembly.6 Place a second lifting jack under the torque hubfor support.7 Remove the bolts that attach the torque hub tothe chassis, then remove the torque hub.Crushing hazard. The torquehub will fall if it is not properlysupported when the mountingbolts are removed.Torque specificationsLug nut (dry) 420 ft-lbs569.5 NmLug nut (lubricated) 320 ft-lbs433.9 NmDrive torque hub mounting bolts 120 ft-lbs163 NmDrive motor mounting bolts 75 ft-lbs102 Nm17-1Drive MotorComponent damage hazard.Repairs to the motor should onlybe performed by an authorizedSundstrand-Sauer dealer.How to Remove a Drive MotorA drive motor can only be removed from the insideof the chassis.Component damage hazard. Thework area and surfaces where thisprocedure will be performed mustbe clean and free of debris thatcould get into the hydraulicsystem and cause severecomponent damage. Dealerservice is recommended.1 Disconnect the hydraulic hoses from the drivemotor and plug them.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 drive motor mounting bolts.3 Slide the drive motor shaft out of the brake andthen remove it.Torque specificationsDrive motor mounting bolts 75 ft-lbs102 NmNon-steering Axle Components
