10
Select the zigzag stitch
.
Set the stitch width to “5.0”.
The amount of ascending travel of the needle bar from its lower position to the position where the tip of the
rotary hook exactly meets the right side of the needle should be 1.4 to 2.0 mm.
1. Remove the bed cover (Refer to page 5).
2. Select the zigzag stitch .
Set the stitch width to “5.0”.
Bring the needle at right lowest needle position.
3. Remove the setscrew on the needle plate, the needle plate and the bobbin holder.
4. Loosen the hexagonal socket screws on the lower shaft gear.
5. Turn the handwheel toward you to raise the needle bar 1.7 mm from its right lowest position.
6. While holding the handwheel to prevent the needle bar from moving, turn the lower shaft gear in the direction
of arrow until the tip of the rotary hook exactly meets the right side of the needle.
7. Tighten the hexagonal socket screws on the lower shaft gear.
8. Attach the bobbin holder, needle plate and bed cover.
MECHANICAL ADJUSTMENT
ADJUSTMENT OF HOOK TIMING
Needle plate
Bobbin holder
Hexagonal socket screw
Lower shaft gear
Right position
Tip of hook meets the right side of the needle
Lowest needle position
1.4 to 2.0 mm
Setscrew
Hexagonal socket screw