Duerkopp Adler 650-16 Service Instructions Manual page 26

Adjusting the thread trimmer
Figure 16: Adjusting the position of the control curve
Adjusting steps
1. Lock the machine in Position 4 ( p. 15).
2. Release the control curve grub screws (5).
3. Push the thread trimmer lever (2) upward and turn the control curve (3)
4. Tighten both control curve grub screws (5) without changing the position
5. Release the lock ( p. 15).
Service Instructions 650-16 Version 00.0 - Last Updated 09/2012
(1) - Small recess
(2) - Thread trimmer lever
(3) - Control curve
so that the roller (4) latches precisely in the small recess (1).
of the control curve.
(4) - Roller
(5) - Control curve grub screws
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