Top Innovations SP-402 - Manual (Page 18)

PERFORMANCE CHECKLIST
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 solve the problem.
Needle does not move
18
 Is machine connected to electrical
supply?
 Is foot pedal connected?
 Is bobbin case displaced (pg.17)?
Needle moves, but stitch is not
formed
† Is needle in backwards?
† Is needle defective?
† Is needle fully inserted into needle
clamp?
† Are bobbin and needle correctly
threaded?
† Is bobbin correctly inserted into
bobbin case?
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?
Upper thread breaks
† Is machine properly threaded?
† Is thread freely unwinding from
spool?
† Is needle size correct for thread?
† Is upper thread tension too tight?
† Is bobbin case properly inserted
(pg. 17)?
† 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. 17)?
Skipped stitches
† Is machine properly threaded?
† Is fabric firmly held down?
† Is needle correct size?
† Is needle straight and sharp?
Fabric does not move properly
under presser foot
† Is presser foot lowered?
† Is stitch length correctly set?
QUESTIONS?
If you have questions about any aspect of threading or sewing with the
QUIKSTITCH call:
Customer Support
Contact our Customer Support Team at Top Innovations, Inc. at (800) 711-
6617 or (816) 584-9700. E-mail us at [email protected]
or visit our web site at www.topinnovations.com