Pfaff 421E1 - Knife Pressure

Adjustment
13.05.08 Knife pressure
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.
● 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.
Fig. 13 - 26
4 mm
3
2
4
1
13 - 30