Basic Setting With The Control Panel V810 Or V820 - Dürkopp Adler 669 Serviceanleitung

2.15.2

Basic setting with the control panel V810 or V820

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Caution: Risk of injury!
The adjustment of the potentiometer is carried out with the main
switch turned on.
Work with utmost caution.
–
Loosen the stop screw 1 for the potentiometer 2.
–
Keep the key "P" pressed and turn on the main switch.
–
Enter the technician level.
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Select the parameter "F-188".
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Actuate the key "E".
The current Speedomat grade (e.g. 11) and the corresponding
sewing speed limitation (e.g. 2860) are displayed.
–
Turn the potentiometer shaft until the Speedomat grade "07" and
the corresponding maximum sewing speed of 3800 rpm resp.
3400 rpm (depending on the subclass) are indicated on the display.
–
Tighten the stop screw 1.
–
Check the setting.
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