Adjustment
11 - 36
11.05.02 Position of the knife holder on models 474 and 491
Requirement
When the thread trimmer is engaged, the centre of the angular knife opening must be level
with the top edge of the needle plate.
Fig. 11 - 32
● 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.
4
3
1
2
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