<P><b><center><font color=chocolate><font size=5>DOWNLOAD / PDF USER INSTRUCTION </center></font></font><P>Authorized reproduction of the users / instruction manual for a Riccar model 500, a round bobbin, flat bed or free arm sewing machine. It has basic information, cleaning and oiling and some troubleshooting information. Its built in zig zag based stitches are covered and illustrated as are the basic attachments.