Changing The Hook Thread Bobbin - Duerkopp Adler 550-16-26 Operating Instructions Manual

4.6 Changing the Hook Thread Bobbin

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Caution Risk of Injury !
Turn the main switch off .
Change the hook thread bobbin only with the machine turned off.
Removing the empty bobbin
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Swing the hook cover 2 down.
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Bring the needle bar in high position.
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Lift the bobbin case flap 1.
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Take out the bobbin case top 3 with the bobbin 7.
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Remove the empty bobbin from the bobbin case top 3.
Inserting a full bobbin
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Insert the full bobbin in the bobbin case top 3.
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Pull the hook thread through slit 6 under the tension spring 5 until
in the drilled hole 4.
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Pull the hook thread approx. 5 cm out of the bobbin case 3.
The bobbin must turn in the direction of the arrow when the thread
is pulled off.
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Insert the bobbin case 3 again.
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Close the bobbin case flap 1.
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Swing the hook cover 2 up.
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