Adjustment
100
13.16 Adjusting the knife unit
13
.16.01 Presetting the knife unit
Rule
1. The rear edge of the retracted thread catcher should tilt forward approx. 2°.
(The centre of the screw 6 is almost flush with the outer edge of the screw 7.)
2. Rest the thread catcher on the fold of the material (with an average material
thickness).
3. The highest points of the knife should rest on the material when the thread catcher is
retracted.
Turn the piston rod 1 (nut 2) according to rule 1.
Adjust the stop 3 (screws 4) according to rule 2.
Adjust the knife unit (screws 5) according to rule 3.
Fig. 13 - 33
4
3
4
5
6
7
1
2
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