Check:
1.
Take out bobbin case and shuttle race cap.
2.
Select zigzag and max width stitch.
3.
Rotate flywheel until needle is full down in right position.
4.
Then slowly raise needle bar to C position, the distance shall be 1 mm.
Adjustment:
1. Remove face plate.
2. Loosen needle bar clamp screw A.
3. Slightly move needle bar up or down until location is 1 mm.
4. Tighten clamp screw A (Torque 15 kg/cm).
Attention:
After completing adjustment, make sure that needle is parallel to shuttle.
NEEDLE BAR HEIGHT
A
C
16
1mm