Part No. 75861 Genie Z-60/34 4 - 3November 2003 Section 4 • Repair ProceduresREV A1-2JoysticksHow 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.The joystick must be calibratedbefore the threshold, max-out orramping can be set.Perform this procedure with theengine off.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 Select a joystick to calibrate.4 Move the joystick full stroke in either directionand hold for 5 seconds.5 Return the joystick to the neutral position,pause for a moment, then move the joystick fullstroke in the opposite direction. Hold for 5seconds and return the joystick to the neutralposition.Result: The alarm should sound indicatingsuccessful joystick calibration.6 Repeat this procedure for each joystickcontrolled machine function including the thumbrocker steer switch.No machine fuction shouldoperate while performing thejoystick 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 boardfrom the platform control box.PLATFORM CONTROLS