Overrun Protection - Duerkopp Adler 743-221 Service Manual

3.3.1

Overrun protection

b05
1
2
3
Regulation and inspection
Overrun protection on the left of the transport carriage is provided by
proximity switch b05.
Caution: danger of injury
Turn off the main switch.
Overrun protection may only be adjusted with the sewing machine
switched off.
Adjustment work and function testing with the sewing machine running
must be carried out with the utmost care.
Adjustment
–
Adjust the height of proximity switch b05 so that the switch plate 3
can pass through without a gap.
If this is not the case, bend the tab 2.
–
Push the transport carriage manually to its left-hand end position.
–
Select program 62 and turn on the main switch.
Press "STOP" button.
Set the "program" switch to 05.
–
Push the switch plate 3 towards the proximity switch until this
operates securely.
Bend the lugs of the plate into the nearest tooth gaps.
–
Undo 2 screws 1.
–
Move tab 2.
This carries out the fine adjustment of the switch point.
–
Retighten 2 screws 1.
–
Check the switch function.
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