DURKOPP ADLER 8967 Manuel d'utilisation - Page 13

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3.5 Setting the Thread Regulator.

With the thread regulator the needle thread quantity

necessary for stitch formation can be regulated.

The setting is dependent on the stitch length, material

thickness and the yarn characteristics.

Only a precisely set thread regulator assures an optimal

sewing result.

The needle thread loop should glide over the hook

without excess with little tension.

In the "0" setting the greatest thread quantity is released,

such as is required by particularly great stitch length and

very thick material.

Adjustment:

–

Loosen screw 1.

–

Change the position of the thread regulator

appropriately.

–

Retighten screw 1.

Note

With a correct setting the thread check spring is pulled

approx. 1 mm down from its upper end position when the

needle thread loop passes the maximum hook

circumference.

The 1 mm dimension is a guideline. Depending on the

thread check spring tension it can be greater or smaller.