Performance checklist – SINGER 5160 User Manual
Page 122
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S I N G E R
Performance checklist
Needle does not move
Is machine connected to electricaL supply?
Is the power and light switched on?
Is speed control pedal connected?
Is the bobbin winding indent 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 bobbin case?
Needle breaks________________________________
Is needle correct size for fabric?
Is needle fully inserted into needle clamp?
Are controls properly set?
Are accessories correct for sewing?
Bobbin winding difficulties_____________________
Is thread unwinding freely from spool?
Is bobbin winding indent engaged?
Is thread end securely held at start of winding?
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 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?
Skipped stitches
Is machine properly threaded?
Is fabric firmly held down?
Is needle correct style and size for fabric?
Is needle straight?
Fabric does not move properly under
presserfoot.
Is presser foot correctly attached to machine?
Is presser foot lowered?
Is stitch length correctly set?
Is the drop feed lever on the right?
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