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Hint
A too long holding of the needle thread leads to a displacement of the
stitches in the seam beginning.
By using the configuration of the parameter “Position last stitch” T1.5.4
in the technician level, it is possbile to set the position of the last
knotting stitch of the buttonhole. It will then determine the position of
the thread being cut in the scissors.
Through altering the above parameter an improvement of the thread
insertion at the beginning of the buttonhole may be possible.
12. Machine stop position
Standard
After the sewing cycle the thread lever should be in the upper dead
center.
Correction:
–
Switch the machine off.
–
Move the thread lever to the upper dead center by turning the
handwheel.
–
Loosen screw 4 and turn the 180°-disc in such a way that it stands
centrally on the reference switch 3. Tighten the screw again.
–
Switch the machine on.
–
Sew a buttonhole.
Should the thread lever not be in the upper dead center after sewing,
readjust the 180°-disc correspondingly.
Hint
If the thread lever is not in the upper dead center before the sewing
start, this may lead to sewing problems.
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