Terex Genie GR-26J Service Manual

Also see for Genie GR-20J: Service manual Operator's manual

Section 4 • Repair ProceduresPart No. 227656GT GR™-20J • GR™-26J 4 - 41March 2022STEER AXLE COMPONENTS10-2Steer CylinderHow to Remove the SteerCylinderNote: When removing a hose assembly or fitting,the O-ring on the fitting and/or hose end must bereplaced and then torqued to specification duringinstallation. Refer to Section 2,Hydraulic Hose andFitting Torque Specifications.1 Turn the key switch to platform control and pullout the red Emergency Stop button to the onposition at both the ground and platformcontrols.Note: Rotate the red Emergency Stop button atplatform control one quarter turn in a clockwisedirection to restore the power supply. The redEmergency Stop button returns automatically tothe out, or on position.2 Turn the wheels at the steer end of themachine, 20° to 25° to the right.3 Turn the key switch to off position and push inthe red Emergency Stop button to the offposition at both the ground and platformcontrols.4 Block the wheels at the non-steer end of themachine.5 Remove the pin retaining fasteners from the topof the steer cylinder barrel-end pivot pin.6 Center a lifting jack under the drive chassis atthe steer end of the machine.7 Raise the machine approximately6 inches / 15 cm. Place blocks under thechassis for support.Crushing hazard. The chassiscould fall if not properly supported.8 Turn the wheels at the steer end of the machinefully to the left.9 Tag, disconnect and plug the steer cylinderhydraulic hoses. 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 to squirtor spray.10 Remove the pin retaining fasteners from thesteer cylinder rod-end pivot pin. Set thewashers to the side. Discard the cotter pin.Note: Always replace the cotter pin with a new onewhen removing the fasteners.11 Carefully remove the steer cylinder from themachine.