Operation Manual

Operation
Operating Manual 967 version 00.0 - 11/2013 35
Thread tension for decorative stitching
When using a decorative stitch, a thicker thread is normally used
with a relatively thinner material. Then the thread interlace is not
buried in the material.
In this instance, the tension is set so the threads interlace on the
back side – see (2).
5.7.1 Setting needle thread tension
The three adjusting wheels on the tensioning screw triangle deter-
mine needle tension.
On the basic setting, the top side of one regulator is flush with the
screw in the middle.
Fig. 17: Setting needle thread tension
General
To increase tension:
1. Turn regulator clockwise.
To reduce tension:
1. Turn regulator counterclockwise.
(1) – Auxiliary tensioner
(2) – Primary tensioner
(3) – Pre-tensioner
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