- Remove the Arm covers
- Remove Potentiometer and connect new Potentiometer
- While connecting new potentiometer set potentiometer tip exactly 50 mm outside from the vertical non-movable plate and fix it.
- Take Chuck out till potentiometer pressed 28 mm backwards and measure the distance of potentiometer tip and vertical non movable plate, it should be exactly 22 mm.
- Go to Setting mode on the touch screen
- Select Calibrate option (password-102) and press Enter
- Select Pot path segment X option ( X indicates Arm position for which we are doing calibration. For example select Pot path segment 2 option for arm-2)
- Press Start
- After pressing start button, the value of Pot path segment changes to zero.
- It takes its current position as zero position.
- Zero setting finished
- Put all the covers.