PR670E / PR670EC
FAQs & Troubleshooting |
How do I adjust the tension of the upper thread ?
When embroidering, the thread tension should be set so that the upper thread can slightly be seen on the wrong side of the fabric.
(1) Thread tension knobs (2) Tighter (3) Looser (4) Mark >>If the thread tension is not still correctly adjusted, turn the upper thread guide pretension knob. |
(1) Upper thread guide pretension knob (2) Tighter (3) Looser |
The pattern can be seen from the wrong side of the fabric. If the thread tension is not set correctly, the pattern will not finish well. The fabric may pucker or the thread may break.
(1) Right side (2) Wrong side |
Follow the operations described below to adjust thread tension according to the situation.
The tension of the upper thread is too tight, resulting in the bobbin thread being visible from the right side of the fabric.
(1) Right side (2) Wrong side |
Turn the knob in the direction of the arrow to decrease the tension of the upper thread.
(1) Red line |
If the red line is visible, the thread tension cannot be decreased any further. Increase the tension of the bobbin thread. For details, refer to "How do I adjust the tension of the bobbin thread ?".
The tension of the upper thread is too loose, resulting in a loose upper thread, loose thread locks or loops appearing on the right side of the fabric.
(1) Right side (2) Wrong side |
Turn the knob in the direction of the arrow to increase the tension of the bobbin thread.