Presser Bar Height And Parallel Adjustment - Brother BC800 Service Manual

Adjustment

Presser bar height and parallel adjustment

1. Attach the J foot.
2. Raise the presser foot lifter.
3. Turn the pulley by hand, and lower the feed dog below needle plate A.
4. Loosen the set screw (CP) M5 x 10 in the presser bar clamp assy.
5. Adjust the height of the presser bar so that there is 6.0 - 6.5 mm between the top of needle plate A and the bottom
of the presser foot.
NOTE
• Adjust the presser bar so that the needle plate feed dog hole and the presser are parallel (to prevent slanting
during serging and damage to the needle).
Top face of
needle plate
6.0-6.5mm
Socket set screw
(CP, M5x10)
4 - 13