Knee Lever Play - Pfaff 481 Service Manual

19

Knee lever play

● Position the needle at its b.d.c. and let the presser foot down on the needle plate.
● Turn crank 1 (screws 2) according to the requirement. Make sure the vertical knee lever
24
Requirement
When the presser foot is resting on the needle plate, there must be a clearance of
1.3 mm between lifting lever 3 and lifting piece 4.
shaft has no end play.
2
1
4
1,3 mm
3