For better sewing results and smooth sewing, it is necessary to clean and oil your BERNINA sewing machine on a regular basis. Watch this video to learn how to properly maintain your machine by cleaning and oiling the hook and the hook race. The thread catcher needs to be cleaned frequently, too! This video shows you how to go about this. Click here to learn more about the BERNINA 4 Series machines, or visit your local BERNINA store: https://weallsew.com/introducing-the-new-bernina-4-series/?utm_