Section 4 • Repair ProceduresPart No. 122985 S-80 • S-85 • S-80X 4 - 71February 201212-4Steer CylindersHow to Remove a Steer 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 hose bracket mounting fastener onthe steer cylinder barrel-end pivot pin.3 Remove the pin retaining fasteners from thesteer cylinder pivot pins. Remove the pivot pinfrom each end of the steer cylinder.4 Remove the steer cylinder from the machine.12-3Drive HubHow to Remove a Drive HubNote: 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 Remove the drive motor. See 12-2,How toRemove a Drive Motor.2 Loosen the wheel lug nuts. Do not removethem.3 Center a lifting jack of ample capacity under thenon-steer axle.4 Raise the machine approximately6 inches / 15 cm and place blocks under thechassis for support.5 Remove the wheel lug nuts, then the tire andwheel assembly.6 Place a second lifting jack under the drive hubfor support and secure the drive hub to thelifting jack.7 Remove the drive hub mounting fasteners thatattach the drive hub to the axle. Remove thedrive hub.Crushing hazard. The drivehub could become unbalancedand fall if not properly supportedand secured to the lifting jackwhen removed from the machine.Note: Do not re-use the drive hub mountingfasteners. Genie specifications require the use ofnew fasteners.4WD STEER AXLE COMPONENTS
