When sewing difficulties occur, refer back to this manual to make sure that you are correctly
following the instructions. If you are still having a problem, the reminders below may help you
correct it. Use only correct needles and bobbins (See Page 2).
Needle does not move
• Is machine connected to electrical supply?
• Is foot switch connected?
• Is bobbin case displaced? (pg. 14)
Needle moves, but stitch is not formed
• Is needle in backwards?
• Is needle defective?
• Is bobbin correctly inserted into bobbin
case?
• Is upper thread tension too tight?
• Is bobbin case properly inserted? (pg. 14)
• Is needle fully inserted into needle clamp?
• Are bobbin and needle correctly threaded?
Needle breaks
• Is needle straight and sharp?
• Is needle correct size?
• Is needle fully inserted into needle clamp?
Bobbin winding difficulties
• Is thread unwinding freely from spool?
• Is bobbin winder engaged?
• Is thread end securely held at start of wind?
• Is thread correctly lead around bobbin
winder tension disc?
Table of Contents
TT700
PERFORMANCE CHECKLIST
Upper thread breaks
• Is machine properly threaded?
• Is thread freely unwinding from spool?
• Is needle size correct for thread?
• Is bobbin rim free of nicks?
Lower thread breaks
• Is bobbin correctly wound?
• Is bobbin correctly inserted into bobbin
case?
• Is bobbin case correctly threaded?
• Is bobbin case properly inserted? (pg. 14)
Skipped stitches
• Is machine properly threaded?
• Is fabric firmly held down?
• Is needle correct style and size?
• Is needle straight and sharp?
Fabric does not move properly
under presser foot
• Is presser foot lowered?
• Is stitch length correctly set?
25
Previous Page