DURKOPP ADLER M-TYPE 667 Service Instructions Manual page 46

Fig. 28: Moving the needle bar linkage sideways (2)
(5) - Arm shaft crank
(6) - Threaded pins
3. Loosen both threaded pins (6) on the arm shaft crank (5). Make sure
4. Move the needle bar linkage (4) sideways such that the needle pierces
5. Push the two adjusting rings (2) inwards as far as they will go and
6. Tighten the threaded pins (1) on the two adjusting rings (2).
7. Align the thread lever (7) exactly in the middle of the slot.
8. Tighten both threaded pins (6) on the arm shaft crank (5).
Order
Then check the following settings:
• Loop stroke position ( p. 49)
• Distance of the hook to the needle ( p. 47)
44
that the threaded pins stay on the surface.
exactly in the center of the needle hole (3) for the feed dog.
tighten them.
Aligning the needle bar linkage
(7) - Thread lever
Service Instructions 667 - 00.0 - 04/2016