Brother BE-438B Sewing Machine User Manual


 
5. ADJUSTMENT
-19-. Adjusting the engagement of the movable knife and fixed knife
Shoulder
screw
Cutting edge
Cutting
edge
Fig. 1
Fixed knife
Movable knife
Cutting
edge
Cutting
edge
3472
Q 3213Q
0149Q
KE-484C
Cutting
edge
Shoulder
scr
ew
Cutting
edge
3471Q
Cutting
edge
Cutting
edge
Fig. 1
Fixed knife
Movable knife
0149
Q
0150Q
A.
After the movable knife and fixed knife are properly engaged, tighten the screw as shown in Fig. 1.
B. Turn the movable knife (in the direction of the arrow) while the screw is still tightened.
C. Loosen the screw.
D. Turn the movable knife (in the direction of the arrow) while the screw is still loosened.
Repeat above steps A , B, C and D four or five times to maintain the cutting performance of the knife.
KE-430B, 430C series
121