How to replace internal CFS Hub

Spare Part: https://store.dremc.com.au/products/creality-cfs-bottom-internal-hub-unit

Install Video:

Written Guide:

Source: https://wiki.creality.com/en/cfs/replace-hub

1. Remove the PTFE pipe

Place the bottom side of the CFS on while ensuring that the power is disconnected. Note that you need to press the terminal of the pneumatic connector before pulling out, otherwise the pneumatic connector may be pulled out.

 2. Remove the hub assembly fixing screws

Remove the three screws from the hub assembly

 3.  Disconnect 4 PTFE tubes

Remove the PTFE tube from the limit slot first
Disconnect the 4 PTFE tubes connected to the CFS. Please note that the terminal of the pneumatic connector must be pressed before pulling out, otherwise it may be pulled out

 4. Disconnect the hub assembly cable

Disconnect cables from the motor and bottom control panel to take out the hub assembly

 5. Connect the new hub assembly cable

A wide cable is connected to the motor and a small cable is connected to the adapter plate

 6. Connect 4 PTFE tubes

Connect the 4 PTFE tubes connected by CFS. Please note that the terminal of the pneumatic connector must be pressed before pulling out, otherwise the air head may be pulled out.
Press into the limit line slot

 7.  Install the hub assembly fixing screws