REV BSection 4 • Repair Procedures4 - 26 GS-3384 Part No. 82259September 2005SCISSOR COMPONENTS16 Remove the retaining fasteners from the wearpads on the slide blocks. Remove the wearpads.17 Install the new wear pads onto the scissor armslide blocks.18 Install the slide blocks onto the chassis.19 Align the holes in the slide blocks with the holesin the scissor arms.20 Install the slide block pivot pins and the pinretaining fasteners.21 Repeat steps 12 through 20 for the remainingscissor arm wear pads.22 Install the top engine cover plate.23 Tighten the engine side cover plate fasteners.24 Close and latch the engine slide out tray.25 Lower the platform to the stowed position.3-3Lift CylinderThe lift cylinder is a double acting hydrauliccylinder. The lift cylinder is equipped with acounterbalance valve to prevent movement in theevent of a hydraulic line failure.How to Remove the Lift CylinderBodily injury hazard. Thecounterbalance valve in the liftcylinder is factory set. Do notattempt to adjust thecounterbalance valve. Attemptingto adjust the counterbalance valvecould result in death or seriousinjury and significant componentdamage. Dealer service is stronglyrecommended.Bodily injury hazard. Thisprocedure requires specific repairskills, lifting equipment and asuitable workshop. Attempting thisprocedure without these skills andtools could result in death orserious injury and significantcomponent damage. Dealerservice is strongly recommended.When 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 Start the engine from the ground controls andraise the platform approximately 18 feet / 5.5 mfrom the ground.