Adjustment Of Needle Bar Rise - Brother NV-10A Service Manual

Adjustment
1. Attach the front cover.
2. Press and button on the front cover while turning the power on : the buzzer will sound four times.
3. Select the test mode number [3].
4. Press five times to the left base line.
5. Turn off the power.
6. Turn the pulley by hand, and set the needle bar at its lowest point.
7. Loosen the 2 socket set screws (CP, M5 x 5) on lower shaft pulley D.
8. With the needle bar raised 2.9 - 3.3 mm from the needle bar low point reference line, adjust by moving the lower
shaft pulley D and lower shaft assembly so that the right edge of the needle and the outer rotary hook tip come
together.
9. Secure the 2 socket set screws (CP, M5 x 5) on lower shaft pulley D. (torque : 1.18 - 1.57N · m)
2.9 - 3.3 mm
Draw baseline aligned
with the lowest needle
bar point.
2.9 - 3.3 mm

Adjustment of Needle bar rise

Socket set screws
(CP, M5 x 5)
4 - 11