7 - 12 Genie S-80 & Genie S-85 Part No. 34032Service Manual - First EditionSection 7 - Repair ProceduresHow to Bleed the Slave CylinderDo not start the engine. Useauxiliary power for all machinefunctions in this procedure.1 Raise the boom to a horizontal position.2 Move the platform level switch up and downthrough two platform leveling cycles to removeany air that might be in the system.PLATFORM COMPONENTS2-3Platform RotatorThe platform rotator is a hydraulically activatedhelical gear assembly used to rotate the platform160 degrees.How to Remove thePlatform RotatorComponent damage hazard. Markthe platform mounting weldmentand the rotator flange beforeremoving the platform mountingweldment. The platform mountingweldment must be replaced in theexact same position on the rotatorflange as it was before removal. Ifa new rotator is installed or therotator is disassembled, properalignment can be achieved byrotating the rotator all the way tothe left and then installing theplatform mounting weldment allthe way in the left position.1 Remove the platform. See 2-1,How to Remove the Platform.2 Disconnect and plug the hydraulic hoses fromthe platform rotator manifold.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.3 Support the platform mounting weldment, butdo not apply any lifting pressure.4 Remove the six mounting bolts from theplatform mounting weldment, then remove thecenter bolt and slide the platform mountingweldment off of the platform rotator.