Brother International CS-80 Users Manual - English - Page 56
Adjusting the Thread Tension
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S2_brotherE.book Page 50 Thursday, February 13, 2003 11:03 AM SEWING BASICS Adjusting the Thread Tension The tensions of the upper thread and of the bobbin thread (thread tension) should be adjusted so that they are equal. Changing the tension of the upper thread If the thread and needle combination is correct for the type of fabric being sewn (according to " Needle types and their uses" on page 30), the thread tension will automatically be adjusted to the appropriate setting. However, if the preset thread tension does not give the desired result or if you are sewing with special thread or on special fabric, use the thread tension dial on the left side of the machine to adjust the tension of the upper thread. I Correct thread tension The upper thread and the bobbin thread should cross near the center of the fabric. Only the upper thread should be visible from the right side of the fabric, and only the bobbin thread should be visible from the wrong side of the fabric. 1 Turn the thread tension dial downward to loosen the upper thread. I Upper thread is too loose If the upper thread is visible from the wrong side of the fabric, the upper thread is too loose. 5 1 2 3 4 1 Wrong side of fabric 2 Right side of fabric 3 Upper thread 4 Bobbin thread 5 The upper thread is visible from the wrong side of the fabric. Turn the thread tension dial upward to tighten the upper thread. 2 3 4 1 Wrong side of fabric 2 Right side of fabric 3 Upper thread 4 Bobbin thread I Upper thread is too tight If the bobbin thread is visible from the right side of the fabric, the upper thread is too tight. 1 Tight Loose 1 1 Thread tension dial 2 3 5 4 1 Wrong side of fabric 2 Right side of fabric 3 Upper thread 4 Bobbin thread 5 The bobbin thread is visible from the right side of the fabric. 50