Duerkopp Adler 745-22 Service Instructions Manual page 61

Center knife movement
The center knife must move counter to the needle bars.
When the needles are in their lower dead center the knife bar drive
lever 1 must be in the upper dead center.
1
–
Tilt the machine head to the back.
–
Loosen clamping screws 2.
–
Turn eccentric 4 so that the center knife moves counter to the
needle bars.
–
Tighten clamping screws 2.
–
Loosen clamping screws 3.
–
Turn the counterdisc 5 into the same position as the eccentric 4.
The clamping screws of the eccentric 4 and the counterdisc 5 must
be in-line.
–
Tighten clamping screws 3.
–
Tilt the machine head forward.
2 3
4 5
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