Dürkopp Adler D869 e-con Service Instructions Manual page 43

Performing the basic settings of the eccentrics
Adjusting the eccentric for the feed dog movement
The feed dog moves in an elliptical cycle. To align this correctly, the feed
dog movement, the feed stroke height, ( p. 52) and the feed dog lift
have to be adjusted.
Order
First, check the following setting:
Fig. 30: Adjusting the eccentric for the feed dog movement
(5) - Slot
(6) - Slot
To adjust the eccentric for the feed dog movement:
1. Press the Service Stop button.
2. Loosen the screw (8).
3. Lock the machine in place at the looping stroke position (202°)
4. Loosen the screw (7).
5. Turn the eccentric such that slot (5) lines up with slot (6).
6. Tighten the screws (7).
7. Remove the lock.
8. Tighten the screw (8).
Service Instructions D869 e-con - 00.0 - 09/2023
• Feed dog position ( p. 47)
⑤
( p. 34).
⑧
⑦
⑥
(7) - Screw
(8) - Screw
41