Stitch length adjusting wheel
34 Service Instructions 827/827-M - 01.0 - 05/2019
To adjust the eccentric for forward and backward stitches:
1. Tilt the machine head ( p. 14).
2. Loosen the threaded pin (2).
3. Turn the eccentric (3) through the hole.
Initial position
The slot in the eccentric (3) is parallel to the threaded pin (2),
the recess (4) faces the front.
• Turn clockwise: the forward stitch becomes larger, the backward
stitch smaller
• Turn counterclockwise: the forward stitch becomes smaller,
the backward stitch larger
4. Tighten the threaded pin (2).
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