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Adjust the Needle Thread Tension for
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 lay-
ers 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 num-
ber, 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
(_) 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 fab-
ric and it feels bumpy Turn the dial to a lower tension setting
number to loosen the needle thread tension.
J
o 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 needie thread shows through on the wrong side
i
of the fabric and it feels bumpy. Turn the dial to a higher
tension setting number to tighten the needle thread tension..
®
,J
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