Adjust the Needle Thread Tension forStraight Stitch
° Correct tension
(_) Needle thread (Top thread)
(_) Bobbin thread (Bottom thread)
® To loosen
_) Totighten
The ideal straight stitch has threads locked between two layers
offabric, as illustrated (magnified to show detail),
If you look atthe needle thread and bobbin thread of aseam,
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
®
®
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Tension is too tight
(i_ Needle thread (Top thread)
(_) Bobbin thread (Bottom thread)
® To loosen
(_) Right side (Top side) of fabric
0 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
number to loosen the needle thread tension, ®
• Tension is too loose
Q-')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 fabric and it feels bumpy. Turn the dial to a higher
tension setting number to tighten the needle thread tension°
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