Adjusting thread tension, For straight stitching, For zigzag stitching – SINGER 2517 Merritt User Manual
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Adjusting thread tension
For straight stitching
A perfect, well balanced stitch (1), will have the needle
and bobbin threads locked between the two layers of
fabric with no loops on top or bottom and no puckering.
Too much tension will produce a tight stitch (2) which will
cause the fabric to pucker.
• To decrease tension, turn the dial to a lower number.
Too little tension will produce a loose stitch (3) which
will cause loops in your seam.
• To increase tension, turn the dial to a higher number.
For zigzag stitching
The correct tension setting will produce a smooth even
Too much tension will produce a tight stitch (2), causing
fabric to pucker. Loosen tension by turning dial to a lower
Too little tension will produce a loose stitch (3), causing
loops in your pattern. Tighten tension by turning dial to a