3 - 18 S-100 • S-105 • S-120 • S-125 Part No. 1268494March 2017Section 3 • Repair ProceduresPLATFORM COMPONENTSHow to Bleed the PlatformLeveling CylinderNote: Do not start the engine. Use auxiliary powerfor all machine functions in this procedure.Note: The boom must remain below 10° to properlyperform this procedure.1 Raise the boom to a horizontal position.2 Activate auxiliary power.3 Push the platform level up and down buttonsthrough two complete platform leveling cyclesto remove any air that might be in the system.2-3Platform 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.If a new rotator is installed or therotator is disassembled, properalignment can be achieved byrotating the rotator all the wayto the left and then installing theplatform mounting weldment allthe way in the left position.Note: 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 Specifications, HydraulicHose and Fitting Torque Specifications.1 Remove the platform. See Repair Procedure,How to Remove the Platform.2 Disconnect the electrical connector from theplatform angle sensor.
