Dürkopp Adler 550-867 Operating Instruction page 34

32
Needle thread guide on machines with mechanically
regulated needle thread tension
Fig. 16: Threading the needle thread (2)
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(1) - Thread lever (not visible)
(2) - Thread force sensor
(3) - Thread tension spring
(4) - Thread regulator
(5) - Guide
To thread the needle thread:
1. Feed the needle thread through the guide (9) and clockwise
around the pre-tensioner (8).
2. Guide the needle thread counterclockwise around the
tensioner (7).
3. Guide the needle thread clockwise around the tensioner (6).
4. Insert the needle thread through the guide (5).
5. Feed the needle thread under the thread tension spring (3)
and through the thread regulator (4) to the thread lever (1).
6. Insert the needle thread through the thread lever (1) and the
thread force sensor (2).
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(6) - Tensioner
(7) - Tensioner
(8) - Pre-tensioner
(9) - Guide
Operating Instructions 550-867 - 00.0 - 11/2016
Operation
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