Operating instructions

4. Setting of the Upper Dead Center for the Sewing Drive

Caution Risk of Injury!

Set the switching segment only in the “Safe Stop” position or with the

machine turned off.

With the aid of the switching segment 2, the automatic buttonhole

machine recognizes that the needle bar is at the upper dead center

before start of the sewing cycle.

Rule and Control

When the needle bar is at the upper dead center in front of the left

needle entry point, the switching segment must be set so that the

switch 3 is activated and switch 1 deactivated. This is the case when

the switch 1 is positioned to the switching segment 2 as in the

illustration above right.

The clearance between proximity switch 1 and switching segment 2

may be a max. of 0.5 mm.

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Turn the sewing machine off.

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Turn the sewing machine on again. At the display of the

Dürkopp-Adler logo, press the F key.

After a brief period, a code prompt appears.

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Enter code “25483”and confirm with the OK key.

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Select the “Multitest” function and confirm with the OK key.

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Select the “Input Test” function and confirm with the OK key.

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Select the switch 3 (S08) with the arrow keys.

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Turn the handwheel in the direction of run.

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When the switch 3 (S08) is activated, the switch 1 must be positioned

to the switching segment 2 as in the illustration above right. The

switch 1 should not be activated. The LED on the switch 1 should not

be lit.

In the display, the symbol for switch 3 changes when the

handwheel is turned.

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To exit the menu, press the “ESC” key.