Part No. 32960 Genie Z-45/22 7 - 59Service Manual - Second Edition Section 7 - Repair Procedures17-1Drive MotorRepairs 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. Access on older machines is evenmore restricted. The brake and motor must beremoved together and then separated for repair.The work area and surfaceswhere this procedure will beperformed must be clean and freeof debris that could get into thehydraulic system and causesevere component damage.Dealer service 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.On older machines, the drivemotor and brake must beremoved together.Non-steering Axle Components17-2Torque HubHow to Remove a Drive TorqueHubThe drive motor and brake must be removed inorder to access the torque hub mounting bolts.1 Remove the drive motor and brake. See 18-1,How to Remove a Drive Motor.2 Loosen the wheel lug nuts. Do not removethem.3 Center a jack under the non-steering axle.Raise the machine and place blocks under thechassis to support it.4 Remove the wheel lug nuts, then the tire andwheel assembly.5 Place a second jack under the torque hub forsupport.6 Remove the bolts that attach the brake to thehub.7 Remove the bolts that attach the torque hub tothe chassis, then remove the torque hub.Crushing hazard. The torque hubwill fall if it is not properlysupported when the mountingbolts are removed.SpecificationsLug nut torque 125 ft-lbs 169 Nm800-610-4101ActionRental.com
