Inserting The Underthread Bobbin - DURKOPP ADLER 381 Operating Instructions Manual

6.6 Inserting the Underthread Bobbin

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Removing the empty underthread bobbin
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Bring the needle bars into the high position.
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Open the needle plate slides 1 and 2.
Unlock the right needle plate slide 2 by pressing down on the leaf spring 3.
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Lift the bobbin case flap.
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Remove the bobbin case with empty underthread bobbin.
Threading the underthread
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Insert a full bobbin 4 into bobbin case 7:
When the thread is being drawn off, the bobbin must turn in the direction of the arrow.
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Pull the underthread through slit 5 under tension spring 6.
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Thread the underthread through hole 8 in the bobbin case top.
This assures the thread trimming function.
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Cut off the underthread up to approx. 3 cm.
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Insert the bobbin case top with full bobbin into the hook.
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Close the bobbin case flap.
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Close the needle plate slides 1 and 2 again.
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2 3
Caution Risk of Injury !
Turn the main switch off.
Change the underthread bobbins only with the sewing
machine turned off.
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