This Service Manual is for the Bernina Models 830 831 832 Sewing Machine. It contains 42 pages of information on how to time and adjust the machine. This is a PDF Down-load-able Manual that you can print yourself or take to your local Office Supply Store or Print Shop and let them print and bind it for you. Our PDFs are set for printing. You can view them too! But some manuals will be Horizontal or Vertical with alternating pages depending on the Original Manual. You can turn any page any direction you want for viewing with a click or two. We make our own PDFs, scanning and editing one page at a time. Our PDFs are in color whenever possible. We will email you a link to download the manual after the payment is verified. Please make sure your email address is correct when ordering.