Dürkopp Adler 806N-111-10 Service Instructions Manual page 96

During the movement of the knife, the tip (6) of the thread-pulling knife (2)
must be positioned below the tip of the triangle (3) in the thread guide plate
(4) so that it lines up with the tip of the triangle.
If the alignment of the thread-pulling knife (2) is correct, the tip (6) will
move along the line (9) during the cutting process. The line (9) extends
approximately between the middle of the needle and the tip of the hook.
To set the thread-pulling knife:
1. Swing the thread-pulling knife (2) forwards by hand.
2. Loosen the screws (1) of the thread-pulling knife (2).
3. Slide the thread-pulling knife (2) in arrow direction against the
4. Re-tighten the screws (1).
5. Loosen the screw (8).
6. Set the neutral position of the thread-pulling knife (2).
 In neutral position of the thread-pulling knife (2), its tip (6) and the
7. Tighten the screw (8).
8. Actuate the thread-pulling knife (2) by hand.
9. Check if the tip (6) of the thread-pulling knife (2) is lined up with the tip
10. To correct the position, loosen the screws (1) and shift the thread-pulling
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screws (1).
cutting edge (7) must be flush with the stationary knife (5).
of the triangle (3).
knife (2) in axial direction.
Service Instructions 806N-111-10/806N-121-10 - 00.0 - 09/2023
Machine head 121