Middle knife
Service Instructions 755 A/756 A - 00.0 - 02/2019 83
Fig. 86: Setting the middle knife (3)
 When at the bottom dead center, the front edge (10) of the middle
knife (4) must jut out approx. 1 mm above the cutting edge of the
stationary knife in the throat plate.
11. Open the menu Service > Machine test > Test middle
knife to test the individual settings and make any adjustments
necessary ( p. 390).
 When the reference run is complete, the middle knife guard (3) must
be 1 mm lower than the middle knife (4).
12. If the middle knife guard (3) is not at the right height, loosen the
screw (1) and set the middle knife guard (3).
(4) - Middle knife (10) - Front edge - middle knife
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