Performance checklist, 2 & 5 stitch pattern machines – SINGER 30215 User Manual

Page 31

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2 & 5 Stitch Pattern
Machines

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?

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 case correctly inserted into shuttle race
area?

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?

UPPER THREAD BREAKS

Is machine properly threaded?
Is thread freely unwinding from spool? 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 into bobbin case?
Is bobbin case correctly threaded?

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 correctly attached to machine?
Is presser foot lowered?
Is stitch length correctly set?

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