Restore your Bernina 1530 or 1630's trackball functionality with this comprehensive repair kit. Contains two replacement silicone friction wheels engineered to address the common degradation of original components, plus two photodiodes for optical sensor failures. Based on assembly part 007515.71.00, this kit provides the essential components most frequently requiring replacement. Diagnostic video available to identify which parts your machine needs. Note: photodiode installation demands intermediate soldering proficiency. You may only require select items from this kit depending on your specific repair needs.
