Operation Manual

7.5 Changing the hook thread bobbin

Caution: Risk of injury !

Switchthemainswitchoff.

Change the hook thread bobbin only with the sewing unit switched off.

Taking the empty bobbin off

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Pull the hook cover 3 down.

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Lift the bobbin c ase cover 1.

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Take of the top of bobbin case 2 with bobbin 6.

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Remove the empty bobbin from the top of bobbin case 2.

Inserting the full bobbin

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Place the full bobbin in the top of bobbin case 2.

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Thread the bobbin thread through the slot 5 below the tension

spring 7 in the drill-hole 4.

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Pull the bobbin thread out of the bobbin case 2 for a length of

approx. 2.5 cm.

When winding off the thread the bobbin must turn in the direction of

the arrow.

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Reinsert the bobbin case 2.

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Close the bobbin case cover 3.