Dürkopp Adler 550-867 Operating Instruction page 46

44
Setting the needle thread tension mechanically
Fig. 29: Setting the needle thread tension mechanically
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(1) - Main tensioner
(2) - Blocking element
Set the needle thread tension in accordance with the preset values
of the seat cover manufacturer. The interlacing should be in the
middle of the sewing material.
Information
The pre-tensioner (4) has been set.
To set the needle thread tension mechanically:
1. Loosen the blocking element (2).
2. Set main tensioners (1) and (3).
• Increase the needle thread tension: Turn clockwise.
• Reduce the needle thread tension: Turn counterclockwise.
3. Assemble the blocking element (2) again.
(3) - Main tensioner
(4) - Pre-tensioner
Operating Instructions 550-867 - 00.0 - 11/2016
Operation
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