¶ Note
If your extruder's pneumatic connector can no longer secure the PTFE tube, this tutorial cannot solve the problem. You need to replace part: extruder front cover (sku:4001020081). You can refer to the following tutorial for replacement: Replace K2 Plus Extrusion Assembly
If your printer functions normally in daily use, we still recommend adding this part to extend the service life of the pneumatic connector.
¶ Installation Steps
¶ 1. Print the Model
Print the pneumatic connector guide model using PETG filament
Download link: K2 Plus Pneumatic Connector Model
¶ 2. Install the new extruder front cover
Replace K2 Plus Extruder Front Cover
¶ 3. Secure the PTFE tube
Secure the PTFE tube in the pneumatic connector of the extruder.
¶ 4. Install
Install the printed pneumatic connector guide according to the image direction, with one end snapping onto the pneumatic connector and the other end onto the PTFE tube. Once installed, put on the extruder cover.
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