Timing Of The Switch Operation - Duerkopp Adler 975-1-5 Service Instructions Manual

2.3.3 Timing of the Switch Operation

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In the upper position of the needle plate switch 2 ( b20 ) should be
triggered by the strip 3.
In the lower position of the needle plate switch 1 ( b19 ) should be
triggered by the strip 3.
Caution Risk of Injury !
Conduct adjustment work and function testing only with greatest
possible caution.
Upper position switch
–
Set the program switch to 63 and press the " STOP " key.
–
Set the program switch to 20.
–
Bring the needle plate manually into the lower position.
The display must show "- b20 ".
If not, the switch position must be corrected.
Lower position switch
–
Set the program switch to 63 and press the " STOP " key.
–
Set the program switch to 19.
–
Bring the needle plate manually into the upper position.
The Display must show "- b19 ".
If not, the switch position must be corrected.
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