Brother PR-620 Adjusting the tension of the upper thread, Turn the thread tension knobs

OTHER BASIC PROCEDURES —————————————————————————————————————————————

4After making the adjustments, try embroidering with all needle bars to check the thread tension.

Memo

●In the built-in embroidery patterns, one pattern is used for checking the thread tension. By sewing this pattern, the thread tension can easily be checked. For details, refer to page 160.

Adjusting the tension of the upper thread

1Turn the thread tension knobs.

3

1

2 4

1Thread tension knobs

2 Tighter

3 Looser

4 Mark

■Upper thread is too tight

The tension of the upper thread is too tight, resulting in the bobbin thread being visible from the right side of the fabric.

(Right side) (Wrong side)

Turn the knob in the direction of the arrow to decrease the tension of the upper thread.

1If the red line is visible, the thread tension cannot be decreased any further. Increase the tension of the bobbin thread. For details, refer to page 85.

Note

●If you decrease the thread tension further than the red line, the tension knob may be dis-assembled.

■Upper thread is too loose

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.

(Right side) (Wrong side)

Turn the knob in the direction of the arrow to increase the tension of the bobbin thread.

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