Section 4 • Repair ProceduresPart No. 122985 S-80 • S-85 • S-80X 4 - 13February 2012PLATFORM COMPONENTS4 Move the function enable button to either sideand hold the platform rotate toggle switch to theleft position until the platform is fully rotated tothe left. Continue holding the toggle switch untilair stops coming out of the bleed screw. Closethe bleed screw.Crushing hazard. Keep clear ofthe platform during rotation.5 Open the bottom bleed screw on the rotator, butdo not remove it.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.6 Move the function enable toggle switch to eitherside and hold the platform rotate toggle switchto the right position until the platform is fullyrotated to the right. Continue holding the toggleswitch until air stops coming out of the bleedscrew. Close the bleed screw.Crushing hazard. Keep clear ofthe platform during rotation.7 Clean up any hydraulic oil that may havespilled.8 Rotate the platform fully in both directions andinspect the bleed screws for leaks.2-4Platform Overload SystemHow to Calibrate the PlatformOverload System (if equipped)Calibration of the platform overload system isessential to safe machine operation. Continueduse of an improperly calibrated platform overloadsystem could result in the system failing to sensean overloaded platform. The stability of themachine is compromised and it could tip over.Note: Perform this procedure with the machine ona firm, level surface.1 Turn the key switch to platform control. Start theengine and level the platform.2 Determine the maximum platform capacity.Refer to the machine serial plate.3 Remove all weight, tools and accessories fromthe platform.Note: Failure to remove all weight, tools andaccessories from the platform will result in anincorrect calibration.4 Using a suitable lifting device, place a testweight equal to the maximum platform capacityat the center of the platform floor.