19 | Knee lever play |
Requirement
When the presser foot is resting on the needle plate, there must be a clearance of
1.3mm between lifting lever 3 and lifting piece 4.
4 |
2 |
1,3 mm |
1 |
3 |
●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 shaft has no end play.
