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Adjustment
41
61-052
1.05.02 Position of the knife holder (on models 574 and 591)
Requirement
When the thread trimmer is engaged, the centre of the angular knife opening must be le-
vel with the top edge of the needle plate.
● Switch off the machine and engage the edge trimmer.
● Loosen screw 1.
● By turning sccentric 2, position the knife in the centre of its adjustment range.
● Adjust knife holder 3 according to the requirement and tighten screw 1.
● Position locking ring 4 on the knife holder 3.
Depending on the material thickness, changes in the basic setting of
eccentric 2 are possible.
Fig. 1 - 32
1
2
3
4