1. Cut the zip ties holding the extruder assembly to the linear bearings.

2. Remove the timing belt. Replace if worn or damaged.

3. Carefully pull the wires through the x-end assembly

4. Tear down the entire extruder by reversing the assembly instructions provided by Prusa.

5. All the printed parts will be replaced. Most of the electrical parts and fasteners can be reused.

6. Check all wires and connectors for possible damage especially where wires had made a tight bend or may have been clamped too tightly.

7. If you already have the PFTE tube at the correct length, check it for possible damage.