SINGER W571 User Manual
Page 32
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31
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I
'3
Trouble
Probable Cause
Correction
Skipping
stitches
Bent needle
Discard and replace.
Needle placed incorrectly
in clamp
See instruction page 6.
Too fine a needle for thread
being used
See needle and thread chart, page 5.
Upper thread tension too
loose
Tighten upper tension.
Irregular
stitches
Improper threading
See threading instruction, page 8 and 9.
Bobbin not wound evenly
Rewind bobbin.
Pulling or holding
material
Avoid pulling or holding material, just guide it.
Uneven
Not enough tension on
upper thread
Increase tension.
stitches
Poor quality thread
Try different thread.
Needle too fine for thread
being used
See needle and thread chart, page 5.
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