The thread tension can be altered for every thread via the thread tension adjustment.
⦁
Turning the dial upwards increases the tension.
⦁
Turning the dial upwards decreases the tension.
1 Increasing the tension
2 Decreasing the tension
2
1
Adjusting thread tensions
4-/3-thread overlock
Balanced thread
tension
1 Wrong side of the fabric
2 Right side of the fabric
3 Upper looper thread
4 Lower looper thread
5 Left needle thread
6 Right needle thread
Upper looper
thread is pulled to
the wrong side.
Lower looper
thread is pulled to
right side.
Increase the
tension of the
upper looper thread
and/ or
decrease the
tension of the lower
looper thread
Increase the
tension of the lower
looper thread and/
ordecrease the
tension of the upper
looper thread
Left needle thread
is loose and visible
on wrong side of
the fabric.
Right needle thread
is loose and visible
on wrong side of
the fabric.
Increase the
tension of the left
needle thread and/
or decrease the
tension of one resp.
both looper
threads.
Increase the
tension of the right
needle thread.
1
2
4
4
3 3
3
5
6
6
5
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