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Operation
Fig. 26: Adjusting the needle thread regulator
(1) - Needle thread regulator
To adjust the needle thread regulator:
1. Loosen the screws (2).
2. Tighten the screws (2).
4.4 Locking the sewing foot in top dead center
Fig. 27: Locking the sewing foot in top dead center
(1) - Lever
Operating Instructions 550-D800 - 01.0 - 05/2023
①
• To increase the tension: Slide the needle thread regulator (1) to
the right
• To reduce the tension: Slide the needle thread regulator (1) to
the left
WARNING
Risk of injury from moving parts!
Crushing possible.
Do NOT reach into the area of the sewing foot.
①
②
(2) - Screws
39
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