REV BSection 4 • Repair ProceduresPart No. 82259 GS-3384 4 - 85September 20057 Support and secure the yoke and drive motorassembly to a lifting jack.8 Remove the cotter pin from the tie rod clevispin. Remove the clevis pin.Always use a new cotter pin wheninstalling a clevis pin.9 Ground control side: Remove the retainingfastener securing the steer cylinder rod endpivot pin. Remove the pivot pin.10 Remove the retaining fastener from the loweryoke pivot pin.11 Place a rod through the pin and twist to removethe pin.12 Repeat steps 10 and 11 for the upper yokepivot pin.13 Remove the yoke and drive motor assemblyfrom the machine.Crushing hazard. The yoke anddrive motor assembly maybecome unbalanced and fall if notproperly supported and secured tothe lifting jack when it is removedfrom the machine.Torque specificationsDrive hub mounting bolts, dry 120 ft-lbs163 NmDrive hub mounting bolts, lubricated 90 ft-lbs122 NmDrive motor mounting bolts, dry 75 ft-lbs102 NmDrive motor mounting bolts, lubricated 56 ft-lbs76 NmSteer Axle Components9-1Yoke and Drive MotorHow to Remove the Yoke andDrive MotorWhen removing a hose assemblyor fitting, the O-ring on the fittingand/or hose must be replaced andthen torqued to specificationduring installation. Refer toSection Two, Hydraulic Hose andFitting Torque Specifications.1 Block the non-steer wheels and center a liftingjack under the drive chassis at the steer end ofthe machine.2 Loosen the wheel lug nuts. Do not removethem.3 Raise the machine approximately2 inches / 5 cm. Place blocks under the chassisfor support.Crushing hazard. The chassis willfall if it is not properly supported.4 Remove the wheel lug nuts. Remove the tireand wheel assembly.5 Remove the hose clamps retaining fastenersfrom the drive motor guard. Remove the hoseclamps.6 Tag, disconnect and plug the hoses from thedrive motor. Cap the fittings on the drive motor.Bodily injury hazard. Sprayinghydraulic oil can penetrate andburn skin. Loosen hydraulicconnections very slowly toallow the oil pressure todissipate gradually. Do notallow oil to squirt or spray.
