Adjust the Needle Thread Tension for a Straight
Stitch
• Correct tension
(_) 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).
Ifyou look at the top and bottom of a seam, notice that
the_'eare no gaps; Each stitch is smooth and even.
When adjusting the needle thread tension, the higher the
number, the tighter the needle thread tension,
Results depend on:
- stiffness and thickness of thefabric •
- number of fabric layers
- type of stitch
•Tension is too tight
Needle thread (Top thread)
-(_)Bobbin thread (Bottom thread)
® To loosen
(_ Right side (Top side) of fabric
(_) Wrong side (Bottom side) of fabric
if the bobbin thread shows through on the right side (Top
side) of the fabric, and the stitch feels bumpy, turn the dial
-toa lower tension setting number to loosen the needle
thread tension.
%.
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®
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• 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
If the needle thread shows through Onthe wrong side
(Bottom side) of the fabric, and the stitch feels bumpy, turn
the dial to a higher tension setting number to tighten the
needle thread tension.
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