Checking And Setting With A Caliper Gauge (Rough Adjustment) - Dürkopp Adler 550-12-23 Bedienungsanleitung

2.17.2 Checking and Setting with a Caliper Gauge (Rough Adjustment)

3
4
+
-
1
2
–
Turn the handwheel until both feed dogs are in their forward
position.
–
Measure the clearance between the rear edge of the feed dog and
the needle plate slot with a caliper gauge. Note the value.
–
Turn the handwheel farther until both feed dogs are in their rear
position.
–
Measure the clearance between the rear edge of the feed dog and
the needle plate slot with a caliper gauge.
This value subtracted from the first gives the executed stitch
length.
–
The transport foot must be synchronized with the front feed dog.
Set the link 5 in the arm accordingly.
Setting
–
Adjust the left link 3 for the rear feed dog, the right link 2 for the
forward feed dog and the link 5 for the transport foot appropriately.
–
Loosen screw 4, 1 or 6 respectively
–
Insert a pin into the hole in the link and turn the link.
Direction + = Greater stitch length
Direction – = Smaller stitch length
–
Tighten screw 4, 1 or 6 again.
–
Hold down the "Y" key and tap the "F" key.
The parameter menu is turned on.
–
Advance to parameter 16 (tape operation on/off) through repeated
pressing of the "Y" key.
Parameter 16 is set as follows in the various classes:
Class Value
550-12-23 0
550-12-24 0
550-12-26 1
–
Press the appropriate key.
–
Hold down the "Y" key and tap the "F" key.
The parameter menu is turned off.
-
+
5 6
2
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