Bernina Activa 210 Manuel d'instructions télécharger pdf (Page 17)

17Operating instructions

Thread tension

The basic setting

•

is indicated when the red line on the tension

adjustment wheel is in line with the marking A

•

the tension does not need adjusting for normal

sewing work

•

for special sewing work, the tension can be

adjusted to suit the fabric

Perfect stitch formation

•

the stitch formation is in the fabric

Upper thread tension too tight

•

the lower thread is pulled more to the right

side of the fabric

•

to reduce the upper thread tension turn ten-

sion adjustment wheel to 3–1

Upper thread tension too loose

•

the upper thread is pulled more to the wrong

side of the fabric

•

to increase the upper thread tension turn ten-

sion adjustment wheel to 5–10

The tension is factory set for the best results.

Metrosene 100/2 (Arova Mettler, Switzerland)

is used to set both the upper and lower thread

tension.

If other sewing or embroidery threads are used,

the tension may need adjusting to suit the fabric

and chosen stitch.

For example:

Tension

Metallic thread approx. 3

Monofilament approx. 2–4

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Bernina Activa 210 Manuel d'instructions Page 17