Adjusting Thread Tensions; 3-Thread Overlock - Bernina L460 Instruction Manual

Adjusting thread tensions

4-/3-thread overlock

Balanced thread Upper looper
tension thread is pulled to
the wrong side.
1
3
2
Increase the
tension of the
upper looper thread
and/ or
decrease the
tension of the lower
looper thread
32
Threading and Sewing
The thread tension can be altered for every thread via the thread tension adjustment.
⦁ Turning the dial upwards increases the tension.
1
⦁ Turning the dial upwards decreases the tension.
1 Increasing the tension
2 Decreasing the tension
2
Lower looper
thread is pulled to
right side.
4
3
3
Increase the
tension of the lower
looper thread and/
ordecrease the
tension of the upper
looper thread
Left needle thread Right needle thread
is loose and visible is loose and visible
on wrong side of on wrong side of
the fabric. the fabric.
5
4
5
Increase the Increase the
tension of the left tension of the right
needle thread and/ needle thread.
or decrease the
tension of one resp.
both looper
threads.
1 Wrong side of the fabric
6
2 Right side of the fabric
3 Upper looper thread
4 Lower looper thread
5 Left needle thread
6 Right needle thread
6