Brother International Innov-is PS500 Operation Manual - Page 47
Setting the thread tension
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Setting the thread tension You may need to change the thread tension, depending on the fabric and thread being used. ■ 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 Setting the Stitch ■ Upper thread is too loose If the upper thread is visible from the wrong side of the fabric, the upper thread is too loose. Tighten the thread tension. Note • If the upper thread was incorrectly threaded, the upper thread may be too loose. In this case, refer to "Upper Threading" on page B-19 and rethread the upper thread. 5 1 B STARTING TO SEW 2 2 3 4 1 Wrong side of fabric 2 Right side of fabric 3 Upper thread 4 Bobbin thread ■ Upper thread is too tight If the bobbin thread is visible from the right side of the fabric, the upper thread is too tight. Loosen the thread tension. Note • If the bobbin thread was incorrectly threaded, the upper thread may be too tight. In this case, refer to "Installing the bobbin" on page B-16 and rethread the bobbin thread. 1 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. Pushing the thread tension dial toward the left makes the thread tension looser. 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. Pushing the thread tension dial toward the right makes the thread tension tighter. Note • If the upper thread is not threaded correctly or the bobbin is not installed correctly, it may not be possible to set the correct thread tension. If the correct thread tension cannot be achieved, rethread the upper thread and insert the bobbin correctly. Basic operations B-39