Needle Stab Position Setting In Feeding Direction - Dürkopp Adler 52 i Series Service Instructions Manual

4.4 Needle stab position setting in feeding direction

Proper setting
If the needle is in the bottom dead center, it should be positioned in the
throat plate needle hole center in feeding direction and its lost motion in
the feeding direction should be as small as possible.
Pic. 13: Needle stab position setting in feeding direction
(1) - Regulating screw
(2) - Regulating screw
1. Place the needle in the bottom dead center.
2. Loosen the arresting screws (3), (4), and the regulating screw (2).
3. Adjust the regulating screw (1) so that the proper setting is complied
4. Adjust the regulating screw (2) so that the lost motion (play) of the
5. Tighten the screw (4).
22
Zigzag stitch mechanism of machines 523, 524, 527
with and arrest it with the screw (3).
needle bar holder in the arrow direction is the smallest achievable one;
rubbing must not occur.
①
②
③
④
(3) - Arresting screw
(4) - Arresting screw
Service Instructions 52Xi, 52Xi-75 - 00.0 - 11/2021