Dürkopp Adler D869 e-con Operating Instructions Manual page 29

Operation
Operating Instructions D869 e-con - 00.0 - 06/2023
3. Insert the thread from the top and guide it through the tube (1).
4. Feed the thread counterclockwise from the tube (1) around
the pretension (7).
5. Feed the thread clockwise through the rear tensioner (6).
6. Feed the thread clockwise around the pin (4) and keep feeding
it clockwise through the front tensioner (5).
Fig. 7: Threading the needle thread (2)
(5) - Front tensioner
7. Feed the thread over the hook (3) before feeding it clockwise
through the thread tensioning spring (2) from below.
⑥
⑤
(6) - Rear tensioner
27