THREAD TENSION
Upper thread tension
Basic thread tension setting: “4”.
To increase the tension, turn the dial up to a higher number.
To reduce the tension, turn the dial to a lower number.
A.Normal thread tension - upper and bobbin thread join in fabric.
B.Thread tension too loose - upper thread “loops” on underside of fabric.
C.Thread tension too tight - bobbin thread “loops” on top side of fabrics.
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