Durkopp Adler 550-D869-100 e-con Handleiding (198 Pagina's)

Handleiding

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Operation

Instructions for use 550-D869-100 e-con - 00.0 - 01/2025 35

To change the bobbin:

1. Swivel up the bobbin case retainer (1).

2. Remove the empty bobbin.

3. Insert a full bobbin:

Important

Insert the bobbin so that it moves in the opposite direction of

the hook when the thread is pulled out.

4. Feed the hook thread through the slot (5) in the bobbin case

retainer.

5. Pull the hook thread under the tensioning spring (4).

6. Feed the hook thread through the slot (2) and pull it approx.

3 cm further.

7. Close the bobbin case retainer (1).

4.8 Thread tension

Together with the hook thread tension, the needle thread tension

influences the final seam pattern. With thin sewing material,

excessive thread tension can lead to undesired ruffing and

thread breaking.

Proper setting

If the tension of needle thread and hook thread is identical,

the thread interlace lies in the middle of the sewing material.

Adjust the needle thread tension so that the desired seam pattern

is achieved with the lowest possible tension.

Fig. 14: Thread tension

(1) - Identical needle thread and hook thread tension

(2) - Hook thread tension higher than needle thread tension

(3) - Needle thread tension higher than hook thread tension

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