Dürkopp Adler 755 B Operating Instructions Manual page 27

Operation
To wind the hook thread:
1. Remove any thread residues from the bobbin hub (5) prior to winding.
2. Fit the empty bobbin (4) onto the bobbin hub (5).
3. Insert the hook thread through the hole (1) of the real stand.
4. Insert the hook thread in a wavelike manner through the guide (8).
5. Guide the hook thread clockwise around the hook thread tension (2).
6. Wind some of the hook thread clockwise into the front and rear reserve
7. Cut off the thread protruding at the thread-pulling knife (6).
8. Press the winder lever (3) into the bobbin (4).
 The winder starts up.
Information
With the thread supply in the reserve grooves it is ensured that the
pocket opening can be safely finished after the remaining thread monitor
has produced the message Error 3220
Important
Keep the reflecting surface (7) of the bobbin clean.
Information
The winder stops automatically when the configured bobbin filling volume
has been reached. For the setting of the bobbin filling volume, see the
 Service Instructions.
Operating Instructions 755 B, 756 B/F - 00.0 - 02/2021
groove of the bobbin (4).
(bobbin empty).
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