Dürkopp Adler 669 Serviceanleitung Seite 79

2.8.3 Sewing foot pressure
1
Standard checking
The material that is to be sewn must not "float".
It should not be exerted more pressure than necessary.
Correction
–
Set the sewing foot pressure by turning screw 1.
Increase the pressure
Decrease the pressure
= Turn screw 1 clockwise.
= Turn screw 1 counter-clockwise.
GB
25