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2.12.2
Adjustment of cutting pressure
3-22
3
Caution! Risk of injury!
Switch off main switch!
Adjust cutting pressure only when the sewing machine is switched off.
Instruction and inspection
The devices must be adjusted in such a manner that proper cuts are
achieved at minimum pressure. Low cutting pressures keep wear to a
minimum.
The system must be adjusted to cut two of the thickest threads.
Adjustment
–
Loosen counter nuts 2 and 3.
–
Reset cutting pressure screws.
–
Tighten cutting pressure screws until the movable blade fits
closely.
–
Turn blade drive manually and check for smooth running.
–
Carry out test cut.
Insert sewing piece into opened blades and rotate the sewing drive
manually once.
A proper cut must be made in the sewing piece according to the
length over which the blades are overlapping.
–
Tighten counternuts 2 and 3.
CAUTION!
Excessive cutting pressure leads to stiffness of the cutting device and
to wear of the blades.
2
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