Winding The Underthread - Dürkopp Adler Class 271 Instruction Manual

6.4 Winding the Underthread

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Place the bobbin on the winder shaft 1.
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Thread the underthread as shown in the illustration.
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Wind the underthread clockwise onto the bobbin core.
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Pull the thread end through the trimming clamp 2 and cut.
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Swing the winder flap 3 against the bobbin.
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Turn the main switch on.
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Start the sewing sequence.
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After reaching the set bobbin-fill quantity (see Service Instructions), the winder
turns off automatically.
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3