DURKOPP ADLER M-TYPE 867 - Changing the Hook-Thread Bobbin

Aligning the needle bar linkage
Service Manual 867 Version 02.0 - 04/2015 43
Fig. 31: Aligning the needle bar linkage in the sewing direction
Proper setting
Upper stitch length adjusting wheel to 0:
 The lever is (3) is positioned such that the distance from the surface
of the arm (1) to the middle of the bolt is (2) 123.6 mm.
Setting steps
1. Position the lower stitch length adjusting wheel to 0.
2. Position the upper stitch length adjusting wheel to 0.
3. Loosen the setscrews (4).
4. Loosen the screw (5).
5. Position the lever (3).
6. Tighten the setscrews (4).
7. Tighten the screw (5).
Order
Then check the following setting:
• Loop stroke position ( 10.2 Setting the loop stroke position, page 45)
126,6 mm
(1) - Arm surface
(2) - Center of bolt
(3) - Lever
(4) - Setscrews
(5) - Screw
①
③
②
④
⑤