Adjusting The Cutoff Curve - Dürkopp Adler D867 e-con Service Instructions Manual

Thread trimmer (FA)
Proper setting
The thread-pulling knife (2) pivots as closely as possible above the hook
and is positioned approx. 0.3 mm higher than the counter blade (1).
To adjust the height of the thread-pulling knife:
1. Open the throat plate slide ( p. 28).
2. Tilt the machine head ( p. 18).
3. Loosen the screw (5).
4. Loosen the threaded pin (3).
5. Adjust the height of the thread-pulling knife (2) using the set collar (7).
 The thread-pulling knife pivots as closely as possible above the hook.
6. Set the set collar (3) toward the hook bearing (6).
7. Push the lever (4) up.
8. Tighten the threaded pin (3).
9. Tighten the screw (5).
 The movement must be smooth, but must not have any play.

13.2 Adjusting the cutoff curve

Fig. 65: Adjusting the cutoff curve (1)
(1) - Roller
(2) - Set collar
(3) - Threaded pins
(4) - Control cam
Service Instructions D867 e-con - 00.0 - 08/2023
The thread-pulling knife (2) is positioned approx. 0.3 mm higher than
the counter blade (1).
①
② ③ ④
③
⑤
①
(5) - Threaded pin
(6) - Widest extent
(7) - Lever
(8) - Clamping screw
⑧
⑦
⑥
④
79