Winding The Underthread - DURKOPP ADLER 381 Operating Instructions Manual

6.5 Winding the Underthread

5
1
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Thread the underthread as shown in the illustrations.
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Place the bobbin on the winder shaft 2.
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Wind the underthread counterclockwise approx. 5x around the bobbin core.
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Tear off the underthread at thread clamp 3.
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Swing the winder lever 4 against the bobbin.
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Set the tension 1.
The underthread should be wound up uniformly with little tension.
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Bend the guide plate 5.
The bobbin should be filled cylindrically and not conically.
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Set screw 6.
The winder should shut off automatically at the correct time, this means, when the
winding diameter is 0.5 mm smaller than the bobbin diameter.
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Sewing.
Winder lever 4 ends the procedure as soon as the bobbin is full.
2 3
4 6
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