Performance checklist, Performance ghegkust – SINGER 6211 User Manual
Page 31
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

PERFORMANCE CHECKLIST
When sewing difficulties occur, look back through this manual to make sure
you are correctly following the instructions. If you still have a problem, the
reminders below may help you to correct it.
Needle Does Not Move
Is machine connected to electrical
supply?
Is the power and light switch on?
Is controller connected?
Is bobbin winder engaged?
Needle Moves But Stitch Is Not
Formed
Is needle defective?
Is needle fully inserted into needle
clamp?
Are bobbin and needle correctly
threaded?
Is bobbin correctly inserted into bob
bin case?
Needle Breaks
Is needle straight and sharp?
Is needle correct size?
Is needle fully inserted into needle
clamp?
Are controls properly set?
Are
accessories
correct
for
application?
Bobbin Winding Difficulties
Is thread unwinding freely from
spool?
Is bobbin winder engaged?
Is thread end securely held at start
of wind?
Is thread hanging up on the slit on
the thread spool?
Upper Thread Breaks
Is machine properly threaded?
Is thread freely unwinding from
spool?
Is proper spool cap being used?
Is needle correct size for thread?
Is upper thread tension too tight?
Is bobbin case properly inserted?
Is bobbin rim free of nicks?
Lower Thread Breaks
Is bobbin correctly wound?
Is bobbin correctly inserted Intobob-
bin case?
Is bobbin case correctly threaded?
Is thread hanging up on the slit on
the thread spool?
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 Properiy
Under Presser Foot
Is presser foot correctly attached to
machine?
Is presser foot lowered?
Is stitch length correctly set?
J
29