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Fig. 46: Setting the zero stroke of the sewing feet and the tension force of the torsion spring
①
②
③
(1) - Plates
(2) - Frame
(3) - Torsion spring
(4) - Pin
(5) - Slot
To set the zero stroke of the sewing feet and the tension force of the
torsion spring:
1. Loosen the screw in the slot (5).
2. Loosen the counternut (8).
3. Rotate the frame (2) so that the clips (1) are in a line.
4. Turn the stop screw (9) so that the ball pin (7) is in contact with it and
5. Tighten the counternut (8).
6. Turn the torsion spring (3) with the pin (4) 15° - 20° in the direction of
7. Tighten the screw in the slot (5).
62
the clips (1) remain in a line.
the arrow.
Setting the sewing feet
⑤
④
(6) - Screw
(7) - Ball pin
(8) - Counternut
(9) - Stop screw
Service Instructions 969 - 06.0 - 03/2019
⑨
⑧
⑦
⑥
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