Section 4 • Repair Procedures4 - 68 S-80 • S-85 • S-80X Part No. 122985February 20122WD STEER AXLE COMPONENTSHow to Install the Hub andBearings, 2WD ModelsNote: When replacing a wheel bearing, both theinner and outer bearings including the pressed-inraces must be replaced.1 Be sure that both bearings are packedwith clean, fresh grease.2 Place the large inner bearing into the rearof the hub.3 Press the bearing seal evenly into the hubuntil it is flush.4 Slide the hub onto the yoke spindle.Component damage hazard. Donot apply excessive force ordamage to the lip of the seal mayoccur.5 Place the outer bearing into the hub.6 Install the washer and castle nut.7 Tighten the castle nut to 158 ft-lbs / 214 Nm toseat the bearing.Note: Rotate the hub by hand while torquing thecastle nut to make sure the bearings seat properly.8 Loosen the castle nut one turn, and then torqueto 35 ft-lbs / 47 Nm.9 Install a new cotter pin. Bend the cotter pinto secure the castle nut.Note: Always use a new cotter pin when installinga castle nut.10 Install the dust cap, then the tire and wheelassembly. Torque the wheel lug nuts tospecification. Refer to Section 2,Specifications.11-2Steer CylinderHow to Remove aSteer CylinderThere are two identical steer cylinders thatwork in parallel. They are part of the samehydraulic circuit, but move in opposite directions.The tie rod cylinder maintains equal movement ofthe tires.Note: When removing a hose assembly or fitting,the O-ring (if equipped) on the fitting and/or thehose end must be replaced. All connections mustbe torqued to specification during installation.Refer to Section 2,Hydraulic Hose and FittingTorque Specifications.1 Tag, disconnect and plug the hydraulic hosesfrom the steer cylinder. Cap the fittings on thecylinder.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.2 Remove the pin retaining fasteners from thesteer cylinder pivot pins. Remove the pivot pinfrom each end of the steer cylinder.3 Remove the steer cylinder from the machine.
