Technical data

Operating the sewing unit
Operating manual 743-221-01 version 01.0 - 09/2013
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6. Swivel the winder clip (4) against the bobbin.
7. Set the bobbin thread tension (1).
Wind on the hook thread with minimum tension.
8. Turn the main switch on.
9. Start the sewing process.
After reaching the set bobbin filling level the winder stops automatically.
For the setting of the bobbin filling level, see  Service Instructions.