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Adjust the Needle Thread Tension for a Straight
Stitch
• Correct tension
O Needle thread (Top thread)
<_)Bobbin thread (Bottom thread)
(_) To loosen
(_) Totighten
The ideal straight stitch has threads locked between two
layers of fabric, as illustrated (magnified to show detail),
if you look at the top and bottom of a seam, noticethat
there are 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 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
If the bobbin thread shows through on the right side (Top
side) of the fabric, and the stitch feels bumpy, turn the dial
to a lower tension setting number 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
If the needle thread shows through on the 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..
Adjust bobbin tension
(_)Adjusting screw
(_) Increase tension
(_ Decrease tension
In some instances, you may need to adjust the bobbin
thread tension.
Turn the adjusting screw (_ in the direction of (_)when the
bobbin thread tension is too tighL
"SJrnthe adjusting screw(_ in the direction of(_) when the
bobbin thread tension is too loose.
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