Service and Repair Manual September 2016Platform Components30 Part No. 12685564 Tag, disconnect and plug the hydraulic hosesfrom the platform leveling cylinder at thebulkhead fittings located inside the boom tubeat the platform end. Cap the bulkhead fittingson the boom tube.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.5 Remove the pin retaining fasteners from theplatform leveling cylinder rod-end pivot pin. Donot remove the pin.6 Remove the external snap rings from thebarrel-end pivot pin. Do not remove the pin.7 Support and secure the jib boom cylinder tothe jib boom with a strap or other suitabledevice. Protect the cylinder rod from damage.Crushing hazard. The jib boomcylinder will fall if not properlysupported when the platformlevel cylinder rod-end pivot pin isremoved.8 Use a soft metal drift to remove the barrel-endpivot pin.Crushing hazard. The platformand jib boom will fall when theplatform leveling cylinderbarrel-end pivot pin is removed ifnot properly supported.9 Support the rod end of the platform levelcylinder.10 Use a soft metal drift to tap the platform levelcylinder rod-end pivot pin half way out andlower one of the leveling arms to the ground.Tap the pin the other direction and lower theopposite leveling arm. Do not remove the pin.11 Use a soft metal drift to remove the platformlevel cylinder rod-end pivot pin.12 Carefully pull the platform leveling cylinder outof the boom.Crushing hazard. The jib boomcylinder will fall if not properlysupported when the platformlevel cylinder rod-end pivot pin isremoved.How to Bleed the Pl atfor m Leveli ng C ylinderHow to Bleed the PlatformLeveling CylinderNote: Do not start the engine. Use auxiliary powerfor this procedure.1 Raise the jib boom to a horizontal position.2 Push the platform level up and down buttonsthrough two complete platform leveling cyclesto remove any air that might be in the system.
