DURKOPP ADLER 577 Series, Manual

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2. Stitch pattern settings
2.1 Flow of functions and summary
After sewing initial stitches in the stitch position a , the machine will
first sew the first left bartack b .
It is only following the right stitch c of the right lip that the first d
bartack will be sewn.
Following the sewing of the final bartack the machine will sew the
important tying stitches
e at the end of the buttonhole.
Unchangeable settings in the flow of functions
–
The heart cam 1 on the control cam determines the forward and
backward movement of the sewing basket.
–
The end cam 2 on the cam disk changes the stitches from the
position a to the right lip and back.
Heart cam 1 and the end cam 2 must match exactly.
1
2
Buttonhole
c
d
e
Right bartack
a
b
c
Left bartack
3
5