Upper Thread Trimmer; Control Lever - Duerkopp Adler 558 Service Instructions Manual

36. Upper Thread Trimmer

36.1 Control Lever

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The control lever 3 is in the machine housing.
Via the feed rod 1 it operates the upper thread trimmer.
Caution Risk of Injury !
Pull the mains plug before checking and adjusting.
The setting of the control lever 3 to the main control disc is fixed by the
stop screw 2.
The clearance between edge 4 of the control lever and the main
control disc must be 3.2 mm.
The setting can only be made with the machine arm removed. The
yellow-sealed stop screw 2 is set at the factory. Normally it should not
be adjusted.