January 2012Section 4 • Repair Procedures4 - 38 GS-30 • GS-32 • GS-46 • GS-47 Part No. 2289017-1Drive BrakeHow to Remove a Drive BrakeWhen removing a hose assembly or fitting, thefitting and/or hose end must be torqued tospecification during installation.Refer to Section 2,Hydraulic Hose and FittingTorque Specifications.1 Support and secure the entry ladder to anappropriate lifting device.2 Remove the entry ladder mounting fasteners.Remove the entry ladder from the machine.Crushing hazard. The entry laddermay become unbalanced and fallif it is not properly supported andsecured to the lifting device.3 Block the steer wheels.4 Remove the cotter pin from the wheel castlenut.Note: Always replace the cotter pin with a new onewhen removing the castle nut.5 Loosen the wheel castle nut. Do not remove it.6 Center a lifting jack under the drive chassis atthe non-steer end.7 Raise the machine approximately2 inches / 5 cm. Place blocks under the chassisfor support.Crushing hazard. The chassiscould fall if not properly supported.8 Remove the wheel castle nut. Remove thewheel.Non-steer Axle Components9 Tag, disconnect and plug the hydraulic hosefrom the brake. Cap the fitting on the brake.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.10 Place a lifting jack under the brake for support.11 Remove the fasteners that attach the brake tothe drive chassis. Remove the brake.Crushing hazard. The brake willfall if not properly supported whenthe mounting fasteners areremoved.Torque specificationsBrake mounting fasteners, dry 75 ft-lbs102 NmBrake mounting fasteners, lubricated 56 ft-lbs76 Nm
