Section 4 • Repair ProceduresPart No. 122985 S-80 • S-85 • S-80X 4 - 3February 2012PLATFORM CONTROLS1-2JoysticksHow to Calibrate a JoystickThe joysticks on this machine utilize digital HallEffect technology for proportional control. If ajoystick is disconnected or replaced, it must becalibrated before that particular machine functionwill operate.Note: The joystick must be calibrated before thethreshold, max-out or ramping can be set.Note: Perform this procedure with the engine off.1 Open the platform control box.2 Pull out the red Emergency Stop button to theon position at both the ground and platformcontrols.3 Turn the key switch to platform control. Do notstart the engine.4 Select a joystick to calibrate.5 Disconnect the wire harness connector from thejoystick for approximately 10 seconds or untilthe alarm sounds. Connect the wire harnessconnector to the joystick.6 Move the joystick full stroke in either directionand hold for 5 seconds.7 Return the joystick to the neutral position, pausefor a moment, then move the joystick full strokein the opposite direction. Hold for 5 seconds.Result: The alarm should sound indicatingsuccessful joystick calibration.Result: The alarm does not sound. Check theelectrical connections or replace the joystick.8 Repeat this procedure for each joystickcontrolled machine function including the thumbrocker steer switch.Note: No machine fuction should operate whileperforming the joystick calibration procedure.How to Adjust the JoystickMax-out SettingThe max-out setting of a joystick controls themaximum speed of a joystick-controlled machinefunction. Whenever a hydraulic cylinder, drivemotor or hydraulic pump is replaced, the max-outsetting should be adjusted to maintain optimumperformance. The max-out settings on the joystickcan be changed to compensate for hydraulic pumpwear to maintain peak performance from themachine.Note: Perform this procedure with the boom in thestowed position.1 Pull out the red Emergency Stop button to theon position at both the ground and platformcontrols.2 Turn the key switch to platform control. Do notstart the engine.3 Push in the platform controls red EmergencyStop button to the off position.4 Do not press down the foot switch.5 Move and hold the drive enable toggle switch inthe right position and pull out the redEmergency Stop button to the on position.6 When the alarm sounds, release the driveenable toggle switch.