Bernina a170 Manual page 12

12
Setting up the machine
Thread tension
The tension is factory set for best possible sewing results
using a 100 weight, 3 ply polyester thread (100/3). Other
types and weights can affect the stitch, causing a need
for a tension adjustment to get the best results.
Basic setting
3
· the basic setting is indicated when
the red line on the tension
A
adjustment wheel is in line with the
marking A
· the tension does not need adjusting
5
for normal sewing work
· for special sewing, the tension can
be adjusted to suit the fabric
To reduce the tension
· Adjust to between
3 and 1
To increase the tension
· Adjust to between
5 and 10
Different threads, including embroidery and decorative
threads, may require tension adjustments. The tensions
should be adjusted to suit the thread, fabric and stitch.
Example:
Metallic thread
Monofilament
030787.52.04_Nähen_04-01_a165 a170 a180_EN
Tension Needle
approximately 3 90
approximately 2–4 80