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Shot 1: Preheat the printer to at least 180C. Remove the filament, either using the menu or manually.
Shot 2: Remove the extruder tensioning arm and spring after first using the appropriate hex key to loosen the screw on the tensioning arm.
Shot 3: Set the replacement spring into the extruder seat and then the tensioning arm. Press the tensioning arm spring until the tensioning arm and extruder seat are fully aligned with the corresponding screw holes on the extrusion seat, and then tighten the screws.