Setting The Needle Thread Tension (806N-121) - Dürkopp Adler 806N-111 Operating Instructions Manual

4.10.1 Setting the needle thread tension (806N-121)

Together with the hook thread tension, the needle thread tension influenc-
es the final seam pattern.
Set needle thread tension so that the desired seam pattern is achieved
with the lowest possible tension.
Reliable operation of the thread cutter can also only be achieved with the
lowest possible pretension.
Fig. 23: Setting the needle thread tension (806N-121)
(1) - Main tensioner
(2) - Pre-tensioner
To set the needle thread tension:
1. Turn the pre-tensioner (2):
2. Turn the main tensioner (1):
Proper setting
Set the needle thread tension so that the desired seam pattern is achieved
with the lowest possible tension.
After setting the tension, perform a sewing test and re-adjust the needle
thread tension if the desired seam pattern has not been achieved.
Information
The pre-tensioner affects the length of the needle thread end (X):
36
• Turn clockwise: Increase tension
• Turn counterclockwise: Reduce tension
• Turn clockwise: Increase tension
• Turn counterclockwise: Reduce tension
• Turning the pre-tensioner clockwise: Reduces the length of the
needle thread end
• Turning the pre-tensioner counterclockwise: Increases the length of
the needle thread end
②
①
X: Length of the needle thread end
Operating Instructions 806N-111/806N-121 - 04.0 - 12/2020
Operation