September 2015 Service and Repair ManualNon-steer Axle ComponentsPart No. 1268515 Z-34/22 Bi-Energy 63Non-steer A xle Co mpon ents13- 1 Drive Motor13-1 Drive MotorHow to Remove a Drive Motor1 1 Disconnect the battery packs.2 Tag and disconnect the power cables andrelay wiring from the drive motor.Electrocution/burn hazard.Contact with electrically chargedcircuits could result in death orserious injury. Remove all rings,watches and other jewelry.3 Remove the drive motor mounting fasteners.4 Guide the drive motor shaft out of the brakeand then remove the drive motor.13- 2 Drive Hubs13-2Drive HubsHow to Remove a Drive HubNote: 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 Remove the drive motor. Refer to RepairProcedure, How to Remove a Drive Motor.2 Disconnect and plug the hydraulic hose fromthe brake. Remove the hydraulic fitting andthe bleed valve.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 Chock the steer wheels.4 Loosen the wheel lug nuts. Do not removethem.5 Center a lifting jack under the non-steer axle.Raise the machine and place blocks under thechassis for support.6 Remove the wheel lug nuts, then the tire andwheel assembly.7 Place a second lifting jack under the drive hubfor support. Secure the drive hub to the liftingjack.8 Remove the bolts that attach the drive hub tothe chassis, then remove the drive hub.Crushing hazard. The drive hubmay become unbalanced andfall when the mounting fastenersare removed if it is not properlysupported and secured to thelifting jack.
