Part No. 77828 S-60 • S-65 • S-60 HC 4 - 3February 2012 Section 4 • Repair Procedures1-2JoysticksHow 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 andreturn the joystick to the neutral position.Result: The alarm should sound indicatingsuccessful joystick calibration.8 Repeat this procedure for each joystickcontrolled machine function including the thumbrocker steer switch.Note: No machine function should operate whileperforming the joystick calibration procedure.4 Attach a grounded wrist strap to the groundscrew inside the platform control box.Component damage hazard.Electrostatic discharge (ESD) candamage printed circuit boardcomponents. Maintain firm contactwith a metal part of the machinethat is grounded at all times whenhandling printed circuit boards ORuse a grounded wrist strap.5 Carefully disconnect the wire connectors fromthe circuit board.6 Remove the ALC-500 circuit board mountingfasteners.7 Carefully remove the ALC-500 circuit board fromthe platform control box.PLATFORM CONTROLS
