Dürkopp Adler 806N-111, Руководство по эксплуатации

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Operation
36 Operating Instructions 806N-111/806N-121 - 04.0 - 12/2020
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)
To set the needle thread tension:
1. Turn the pre-tensioner (2):
• Turn clockwise: Increase tension
• Turn counterclockwise: Reduce tension
2. Turn the main tensioner (1):
• Turn clockwise: Increase tension
• Turn counterclockwise: Reduce tension
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):
• 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
(1) - Main tensioner
(2) - Pre-tensioner
X : Length of the needle thread end
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