S2.0 Allen Key
S2.5 Allen Key
S3.0 Allen Key
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.