Knife Pressure - Pfaff 521 Instruction Manual

Adjustment
13

Knife pressure

.05.08
13 - 28
Requirement
When the point of the thread catcher 2 is 4 mm from the front edge of the knife 3, the
knife 3 must be lightly touching the thread catcher 2.
Fig. 13 - 27
Disengage latch 1.
Position the thread catcher 2 in front of the front edge of the knife by turning the
handwheel 4 mm.
Move the knife 3 (screws 4) in accordance with the requirement.
1
4
2
4 mm
3