Brother 431B Sewing Machine User Manual


 
2. MECHANICAL DESCRIPTIONS
-. Feed mechanism
Sewing patterns are created through combinations of X and Y movements.
KE-430B, 431B, 432B, 433B, BE-438B
KE-430C, 431C, 432C, BE-438C
X direction
1. Pulse motor, X
2. Coupling hub, 6.35
3. Coupling spacer
4. Coupling hub, 8
5. Feed cam, X
6. Feed cam roller
7. X-feed lever
3250Q
8.
Tack length regulator block assy
9. Feed bracket
Y direction
1. Pulse motor, Y
2. Coupling hub, 6.35
3. Coupling spacer
3251Q
5. Fee
d cam, Y
6. Feed cam roller
7. Y-feed lever
8. Tack width feed shaft
9. Feed bracket
4. Coupling hub, 8
KE-430B, 430C series
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