GB
2.3
Roller bolt position of form stitch steering cam
Regulation
When changing the form stitch width, the stitch central axis should
remain in its place. It should not shift laterally.
–
Mount the wheel steering cam of the straight stitch (from the
machine rear side).
–
Dismantle the cover of the form stitch width setting mechanism.
–
Release the bolt (1) position by tilting the lever (2) in yourself
direction.
–
Move the bolt (1) in the arrow direction and watch whether the
needle is moving laterally. If yes, dismantle the steering cam,
loosen the screw (3) and try to turn the eccentric bolt (4) to a
different position and test whether the needle is changing its
position. Repeat this until the eccentric bolt (4) position is found
where the needle position does not change.
–
Tighten the screw (3).
13
2
1
3
4