Baby Lock BL7800, Service Manual

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3. NEEDLE DOWN POSITION ADJUSTMENT
STANDARD
Put the machine in test mode. When pattern , , or is selected to decide the left, center, or right needle
position, the needle should be positioned in the left or right part of the needle plate hole in the needle down position.
ADJUSTMENT
1. Put the machine in test mode.
2. Turn the balance wheel to move the needle to the needle down position.
3. Loosen the screw securing the zigzag adjusting nut.
4. Turn the balance wheel to move the needle to the left and right, and then turn the zigzag adjusting nut by using the
box wrench to set the needle in the center of the needle hole.
5. Tighten the screw securing the zigzag adjusting nut.
6. Turn the balance wheel and check the needle down position.