Standard Timing For The Thread Trimming Cam - JUKI DDL-9000B-SH Engineering Manual

(11) Thread trimming unit
Standard Adjustment

3) Standard timing for the thread trimming cam

A
Turn the thread trimming cam in the direction of the arrow and
fix the cam setscrew where the roller comes in contact with the
outer periphery of the cam groove and stops there.
Drawing as seen from A (left side)
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