Setting The Drive Ratio Of The Stitch Loosening Finger When Raising The Sewing Foot - Duerkopp Adler 670 Service Instructions Manual

Stitch loosening unit
18.5 Setting the drive ratio of the stitch loosening finger when
Abb. 79: Setting the drive ratio of the stitch loosening finger when raising the sewing foot:
(1) - Screw
To set the drive ratio of the stitch loosening finger when raising the sewing
foot:
1. Loosen the screw (1).
2. Move the screw (1) into the long hole.
3. Tighten the screw (1).
4. Check the drive ratio and readjust it if necessary.
Service Instructions 670/680 - 00.0 - 07/2017
raising the sewing foot:
①
• More stroke: move the screw (1) downwards
• Less stroke: move the screw (1) upwards
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