S2.0 Allen Key
S2.5 Allen Key
S3.0 Allen Key
Open-end Wrench
Wet Wipes or Tissues
Before replacing the pulley, ensure that the printer is turned off, and disconnect the power source for safe operation.
① Remove the magnetic build plate.
② Use the S2.5 Allen key to unscrew the 4 screws securing the fixed heated bed.
There are pillars between the heated bed and its bracket; avoid losing them. Place the heated bed and bottom pillars aside for subsequent installation.
① Rotate the knob of the Y-axis tensioner counterclockwise, remove it, and place it aside for later installation.
② Use the S2.0 Allen key to tighten the two screws on the left and right of the Y-axis tensioner housing. Remove the housing and place it aside for later installation.
① Remove the belt copper buckles on both sides of the heated bed fixed sheet metal, and take the Y-axis tensioner pulley aside.
② Slide the fixed sheet metal out from the Y-axis tensioner.