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4
Manual cutting test
.06.05
Requirement
1. When moving forward, thread catcher 1 must not move bobbin thread 3
2. When thread catcher 1 is at its front point of reversal, bobbin thread 3 should be in the
centre of the marked area (see arrow).
3. After the cutting operation has been completed, needle and bobbin thread should be
cut neatly and bobbin thread 3 should be held.
Fig. 4 - 19
● Sew a few stitches.
● Switch of the main switch and the compressed air.
● Carry out a manual cutting test.
● Check requirement 1. If necessary, readjust thread catcher 1 in accordance with Chapter
4.06.02 Position and height of the thread catcher.
● Check requirement 3. If necessary, readjust bobbin thread clamp spring 2 in accordance
with Chapter 4.06.04 Bobbin thread clamp spring.
3
Adjustment
2
3
1
95
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