Duerkopp Adler 745-26 Service Instructions Manual page 61

1
2
3
4
5
a)
b)
Adjusting the corner incision of the knife bracket " seam
beginning "
The knife bracket " seam beginning " must cut in up to in front of the
first stitch.
–
Activate the testing program " Setting the Corner Knife
Adjustment ".
See Short Description DAC Chapter 6.3.5 .
–
Set the minimum clearance of the corner knives.
–
Lift the corner knives.
Check the clearance of 55 mm with 745 - 26 or 90 mm with 745 - 28.
Measure the clearance at the widest point of the corner knife.
If the clearance is not correct set the switching plate 2
accordingly and check the clearance again.
Aligning the corner incisions to the seams ( 745-26 )
The corner incisions must lie symmetric to the seams
(illustration a).
The clearance of the incision ends to the seams must be the same on
both sides (illustration b).
–
Loosen screw 4.
–
Turn rod 3 accordingly.
Set a clearance of approx. 5 mm between the block 6 and the knife
bracket 7 with the cylinder retracted. The safety clearance
prevents a striking of the piston rod in the cylinder.
–
Tighten screw 4 fest.
–
Turn nut 1.
The nut is self-locking.
Set the same clearance between the incision end and the seam on
both sides.
Setting the stroke speed of the corner knives
–
Regulate the stroke speed with the one-way restrictor valves 5.
The lifting motion should be rapid, but not jerky.
7
6
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