L-wrench x1
PTFE tube x4
Remove the PTFE tube from the limit slot first
Disconnect the 4 PTFE tubes connected with hub device. Note that the terminal of the pneumatic connector must be pressed before pulling out, otherwise it may be pulled out.
Remove the four screws that secure the bottom
Pull the entire feeding module up by hand
Remove the cable cover and pull out the cable from the motor adapter board.
Plug in four new PTFE tubes for replacement
Connecting cable
Guide the PTEF tube through the reserved holes
Press down to install the filament loading and unloading assembly
Install the bottom with four screws
Connect the PTFE pipe
Press into the limit slot