S2.5 Allen key
Before replacing the X-axis belt, ensure the device is turned off and disconnect the power for safety.
① Rotate the red knob on the X-axis belt tensioner counterclockwise and remove it, placing it aside for later installation.
② Use the S2.5 Allen key to unscrew the 2 screws securing the X-axis belt tensioner and remove the outer casing.
③ Disconnect the wires from the left X-axis limit switch, marked with a "X."
④ Use the S2.5 Allen key to unscrew the 1 screw securing the X-axis limit cover and remove it.
① Remove the belt buckle at the back of the print head and take down the pulley assembly wrapped by the belt, placing it aside for later installation.
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② Press the quick connector valve, disconnect the PTFE tube for the print head to slide out smoothly from the X-axis aluminum profile.
③ Slide out the print head from the X-axis aluminum profile,
placing it aside for later installation (keep the print head within the range of the movable cable due to the cable not being unplugged).
Remove the belt placed on the X-axis aluminum profile.
Take out the new belt and place it in the groove above the X-axis aluminum profile.
Note:
The belt needs to pass over the synchronous pulley of the X-axis motor.
① Take the print head removed earlier and slide it into the X-axis aluminum profile from the X-axis tensioner side.
② Take out the previously removed pulley assembly, thread the belt through it, and install the copper buckle at both ends onto the sheet metal of the print head.
③ Press the quick connector valve and install the PTFE tube for the print head.
① Take the previously removed X-axis limit cover and screws, align the X-axis limit cover to the fixed position, and use the S2.5 Allen key to tighten the screws.