
38
Adjustment
●
Lower the presser foot onto the needle plate
●
Adjust crank
1
(screws
2
) according to the
requirement
.
When tightening crank
1
, make sure that the knee lever shaft has no vertical
play.
1
.05.31
Knee lever play
Requirement
When the presser foot is resting on the needle plate (feed dog beneath the needle plate),
there must be a clearance of
about 1.3 mm
between the lifting lever
3
and lifting piece
4
.
Fig. 1 - 31
2
1
4
3
ca. 1,3 mm