Adjustment - DURKOPP ADLER 580 Operating Instructions Manual

26.2 Adjustment

2
10
1
Caution: Danger of injury !
Adjust the thread catcher only with the machine switched off.
Standard checking
The thread catcher must safely catch the needle thread after
sewing a buttonhole.
The thread catcher must place the needle thread in the right
buttonhole lip.
The thread catcher must not collide with the clamping plates.
When the thread catcher is in basic position, the following conditions
must be fulfilled:
·
The thread catcher 1 must not hit the screw 2.
·
The distance between the front edge of the thread catcher 4 and
the needle 3 should amount to approx. 7 - 8 mm.
·
Laterally the needle 3 and the left edge of the clamp 10 of the
thread catcher must stand in a line.
According to the thickness of the material used the lower position has
3
to be adjusted differently. When the thread catcher is lowered, there
must still be a distance of approx. 3 mm between the lower edge and
the fabric.
When the thread catcher is lowered and moved to the front,
the loop 10 of the thread clamp must approximately be at
the level of the middle of the needle.
–
Sew a buttonhole.
The thread catcher must not collide with the clamping plates during
the sewing operation.
The thread has to be safely caught after the sewing operation.
–
Check whether the needle thread has been sewn in the centre of
the right buttonhole lip.
4 3
3
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