Dürkopp Adler 867 Service Instructions Manual page 33

Setting the stitch length adjusting wheels
5. Carefully turn the shaft (5) clockwise using a 10 mm wrench.
Fig. 18: Setting the upper stitch length adjusting wheel II
⑧
⑨
(10) - Hole
6. Check whether the frame (7) for the stitch regulator gear can be moved.
7. As soon as the frame (7) no longer moves: Remove the wrench from
8. Turn the scale (6) such that the 0 is exactly next to the adjusting
9. Place the upper stitch length adjusting wheel (1) onto the shaft (5) and
10. Screw down the upper stitch length adjusting wheel (1) using screw (2).
11. Check whether the plates for the stitch regulator gear (8) are parallel
If the plates (8) are not parallel to one another:
12. Remove the tension spring (10).
13. Loosen the screw (11).
14. Manually position the plates (8) so that they are parallel.
15. Tighten the screw (11).
16. Attach the tension spring (10).
Service Instructions 867 - 03.0 - 10/2017
ATTENTION
Machine damage possible if the shaft is turned too strongly.
If you turn the shaft too far, then parts on the stitch regulator gear could
bend or get stuck.
Turn the shaft carefully and stop as soon as you can feel slight resis-
tance.
⑩
(8) - Frame for the stitch regulator gear
(9) - Plates for the stitch regulator gear
In machines that have a stitch adjustment lever, check this by
pressing the stitch adjustment lever.
In machines that do not have a stitch adjustment lever, insert the
locking peg or a hex key into the opening (9) and try to move the
frame (7) up and down.
the shaft (5).
mark (4).
tighten it with a wrench (7).
to one another.
⑪
⑫
(11) - Tension spring
(12) - Screw
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