Operation
50 Operating Instructions 867 - 04.0 - 03/2018
4.9.2 In 2-needle machines
Fig. 24: In 2-needle machines
To set the needle thread regulator for the right and the left needle
thread in a 2-needle machine:
1. To set the needle thread regulator for the right needle thread:
Loosen the screw (2).
• 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.
2. Tighten the screw (2).
3. To set the needle thread regulator for the left needle thread:
Loosen the screw (3).
• To increase the tension:
Slide the needle thread regulator (4) to the right.
• To reduce the tension:
Slide the needle thread regulator (4) to the left.
4. Tighten the screw (3).
(1) - Needle thread regulator
(right needle thread)
(2) - Screw
(3) - Screw
(4) - Needle thread regulator
(left needle thread)