Adjustment of Three point needle drop
1. Attach the front cover.
button on the front cover while turning the power on : the buzzer will sound four times.
3. Select the test mode number .
4. Turn the pulley by hand, and insert the tip of the needle into the needle hole.
5. Loosen the socket bolt (M3 x 10) of the zigzag adjusting nut.
6. Adjust the zigzag adjusting nut so that the left base line / center base line / right base line needle drop is uniform
to the left and right of the needle plate A needle hole.
7. Tighten the socket bolt (M3 x 10). (torque : 0.78 - 1.18N · m)
8. Turn off the power.
Box screw driver 6 x 190
Zigzag adjusting nut
Screw (M3 x 10)
4 - 8