M2.5 Allen wrench
Before replacing the Y-axis motor, make sure to turn off the machine and disconnect the power for safety.
Refer to the image below and unplug the Y-axis motor cable.
Rotate the red knob on the Y-axis belt tensioner counterclockwise to loosen it. This will facilitate the installation of the new Y-axis motor.
Use the M2.5 Allen wrench to unscrew the 4 screws holding the Y-axis motor, then remove the Y-axis motor.
Remove the new Y-axis motor and plug the Y-axis motor cable into the motor connector. Connect the machine's power cable and turn it on. On the main interface, select the "Settings" icon - "Move Axis" - "Home Y."
Observe if the new Y-axis motor rotates correctly. After a brief moment, the machine control screen will display the error message "Homeing Failed: Y," which is a normal occurrence.
If there is no problem, safely shut down the machine and disconnect the power cord and Y-axis motor cable.
① Install the new Y-axis motor onto the Y-axis metal plate (Note: Ensure that the belt is fully engaged with the Y-axis motor's timing pulley, and the Y-axis motor connector is facing downward).
② Take the 4 screws that were removed when disassembling the old Y-axis motor and use the M2.5 Allen wrench to pre-lock each screw one by one. Once all 4 screws are pre-locked, tighten them. Note: For the yellow-marked position, you must place the ground wire over the screw before securing it to the Y-axis motor.
Plug the Y-axis motor cable into the Y-axis motor connector.
Rotate the Y-axis tensioner knob clockwise until it is tightened to the maximum, then rotate it counterclockwise one turn.
After replacement, please level your printer.