Thread Cutter; General - Duerkopp Adler 550-16-23 Service Instructions Manual

7.

Thread cutter

7.1 General

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2
The control cam 2 determines the motion of the thread cutter and the
timing of the blade movement.
This ensures that the timing coincides with the movements of the
stitch-forming components.
The thread cutter is operated electro-pneumatically.
1