Adjusting The Fixed Knife And Movable Knife - Brother BM-917B Instruction Manual

12-10. Adjusting the fixed knife and movable knife

Approx. 2mm
<Fixed knife position>
Install and adjust the fixed knife (1) so that the distance
between the knife tip and the needle center is approximately
2 mm.
1. Remove the feed plate and needle plate.
2. Loosen the screw (2), and then move the fixed knife (1) to
adjust its position.
3. Tighten the screw (2).
2017M
<Movable knife position>
2018M
At the sewing machine stopping position, adjust the distance
between the tip of the projection (a) on the movable knife (3)
to the edge of the blade of the fixed knife (1) to 0.5-1 mm.
0.5−1mm
1. First adjust the position of the fixed knife (1).
(Refer to above.)
2. Loosen the nut (4), and then move the connecting lever (5)
to adjust the distance.
3. Tighten the nut (4).
4. Install the feed plate and the needle plate.
2019M
BM-917B, 917C
12. STANDARD ADJUSTMENTS
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