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Needle Thread Tension - ELNA 8600 Instruction Manual

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Needle Thread Tension

The "AUTO" tension dial setting is appropriate for most
sewing situations in traditional sewing mode. The
"AUTO" setting on the needle thread tension dial should
be aligned with the setting mark q. Keep the dial set on
"AUTO" unless directed otherwise in this manual.
Correct Tension - Straight Stitch
The ideal straight stitch will have threads locked between
the two layers of fabric, as shown left (magnified to show
If you look at the needle thread w (top thread) and
bobbin thread e (bottom thread), you will notice that
there are no gaps. Each stitch is smooth and even.
Occasionally the needle thread tension needs to be
adjusted. Examples:
stiff or heavy fabric
sewing more than two layers of fabric
type of stitch
• Tension is too tight
The bobbin thread shows through on the topside of the
fabric and it will feel bumpy.
Turn the dial to a lower number to loosen the needle
thread tension.
• Tension is too loose
The needle thread shows through on the underside of
the fabric and it will feel bumpy.
Turn the dial to a higher number to tighten the needle
thread tension.
• Adjusting Tension for Zigzag and Satin Stitches
The upper thread tension should be slightly looser when
sewing a zigzag or a satin stitch. The upper thread
should appear slightly on the underside of the fabric.


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