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Adjust the Needle Thread Tension for
Straight Stitch
• Correct tension
0 Needle thread (Top thread)
(_) Bobbin thread (Bottom thread)
(_) To loosen
(_) To tighten
The ideal straight stitch has threads locked between two layers
of fabric, as illustrated (magnified to show detail).
If you look at the needle thread and bobbin thread of a seam,
notice that there are no gaps. Each stitch is smooth and even,
When adjusting needle thread tension, the higher the number,
the tighter the top thread tension
Results depend on;
stiffness and thickness of the fabric
number of fabric layers
type of stitch
. Tension is too tight
0 Needle thread (Top thread)
(_) Bobbin thread (Bottom thread)
(_) To loosen
Right side (Top side) of fabric
(_) Wrong side (Bottom side) of fabric
The bobbin thread shows through on the right side of the fabric
and it feels bumpy_ Turn the dial to a lower tension setting num-
ber to loosen the needle thread tension.
®
° Tension is too loose
(_) Needle thread (Top thread)
(_) Bobbin thread (Bottom thread)
(_ To tighten
(_ Right side (Top side) of fabric
(_) Wrong side (Bottom side) of fabric
The needle thread shows through On the wrong side of the fab-
ric and it feels bumpy.. Turn the dial to a higher tension setting
number to tighten the needle thread tension.
26
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