Thread breakage during sewing
Securing seams
Thread breakage during sewing
1. Turn the workpiece at a right angle direction and stop sewing im-
mediately.
The remove the workpiece.
2. Rethread
* If the lower looper thread is broken, cut the both needle threads
off at the needle.
Then remove the threads. Thread the lower looper and then the
needles.
* If the upper looper thread is broken, remove the looper to lowest
position.
Then thread the looper thread.
Bring the thread through under the presser foot and pull about
10 cm of the thread out behind the presser foot.
3. Raise the presser foot, and place the workpiece under the press-
er foot.
Sew about 2 to 3 cm over the seam which has already been
sewn before the thread breakage.
Securing seams
1. Sew about 3 to 4 cm of the thread chain at the beginning of
seams.
2. Sew 2 to 3 stitches on the fabric.
3. Lower the needle and raise the presser foot.
4. Stretch the thread chain and lay it between the presser foot and
the fabric from the left.
5. Lower the presser foot and sew over the thread chain.
If you do not sew over the thread chain, be sure to leave enough
thread chain at the beginning and end of a seam so that it can
be knotted or pulled through the stitches with a darning needle.
* When seams cross over one another, the thread chain is automat-
ically closed.
2 - 3 cm
30
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