DURKOPP ADLER 550-12-33 Operating Instructions Manual page 31

Operation
Operating Instructions 550-12-33/34 - 00.0 - 08/2017
Fig. 9: Threading the hook thread (3)
⑩
⑪
(10) - Hook thread bobbin case retainer
(11) - Hook hole
(12) - Throat plate
11. Remove the cover plates to the right and left of the throat
plate (12).
12. Lift the hook thread bobbin case retainer (10) from its latching.
13. Turn the handwheel to position B in such a way that the thread
take-up disk (13) is set accordingly.
14. Insert the hook thread from the right to the left through the
holes of the hook thread guide (14).
15. Turn the handwheel until the hook holes (11) are accessible.
16. Insert the hook thread from the right to the left through the
hook holes (11) before pulling it out towards the rear by approx.
3 cm.
Fig. 10: Threading the hook thread (4)
17. Press down and lock into place the hook thread bobbin case
retainer (10).
18. Insert the hook covers (4) again on the left and the right next
to the throat plate (12).
⑫
(13) - Thread take-up disk
(14) - Hook thread guide
⑭
⑬
29