8
DC4030P
MECHANICAL ADJUSTMENT
NEEDLE TO HOOK TIMING
When the machine is set the straight stitch pattern " " (left needle position), the amount of ascending
travel of the needle bar from its lowest position to the position where the tip of the hook meets the right
side of the needle should be 3.25 - 3.55 mm.
1. Remove the needle plate and bobbin holder.
2. Turn on the power switch, set the straight stitch pattern " " (left needle position).
3. Remove the bed cover (see page 3).
4. Turn the handwheel toward you, and set the needle bar at the lowest position.
5. Loosen the 2 setscrews on the lower shaft gear.
6. Raise the needle bar 3.4 mm from the lowest position of the needle bar.
7. Turn the lower shaft gear until the tip of hook meets with the right side of needle.
8. Tighten the 2 setscrews on the lower shaft gear.
9. Attach the bed cover, bobbin holder and needle plate.
Lower shaft gear
Match the tip of hook at
the right side of needle
Needle #14
3.4 mm
2 setscrews
Bobbin holder
Needle plate
Lower needle position
