Stitch length adjusting wheel
Service Instructions 827/827-M - 01.0 - 05/2019 33
Fig. 18: Adjusting the stitch length limit
To adjust the stitch length limit:
1. Adjust the stitch length adjusting wheel (1) to 0.
2. Hold the stitch length adjusting wheel (1) using a wrench.
3. Loosen the screw (2).
4. Remove the stitch length adjusting wheel (1).
5. Loosen the threaded pin from one of the 3 mark-off openings (3).
6. Screw the threaded pin into the mark-off opening for the required
maximum stitch length. The slots are marked with numbers for the
stitch length.
7. Turn the scale so that the 0 is exactly next to the adjusting mark.
8. Assemble the stitch length adjusting wheel (1) and hold it using a
wrench.
9. Tighten the screw (2).
7.3 Adjusting the eccentric for the forward and backward
stitches
Proper setting
The forward and backward stitches are the same length.
As a test, sew a seam forward, stop, and sew a seam backward. The inser-
tions of the forward and backward stitches have to lie within one another.
Fig. 19: Adjusting the eccentric for the forward and backward stitches
(1) - Stitch length adjusting wheel
(2) - Screw
(3) - Mark-off slots
(1) - Block
(2) - Threaded pin
(3) - Eccentric
(4) - Recess
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