DURKOPP ADLER 670 Operating Instructions Manual page 27

Operation
Operating Instructions 670/680 - 00.0 - 01/2017
4. Remove the empty bobbin.
5. Insert a full bobbin. The vision slots (3) must be visible.
6. Push the bobbin down and close the bobbin case retainer (2).
Fig. 11: Changing the bobbin (2)
④
⑤
(4) - Hook bobbin case retainer
(5) - Slot
7. Feed the hook thread through the slot (5).
8. Pull the hook thread through the bobbin case lifter (6).
9. Pull the hook thread through the hook on the bobbin case
retainer (4) and pull it approx. 4.5 cm further.
10. Fold the sewing table (1) closed.
(6) - Bobbin case lifter
⑥
25