Brother 431B Sewing Machine User Manual


 
3. DISASSEMBLY
KE-430B, 430C series
34
3290Q
KE-484C
3291Q
1. Screw [Loosen]
2. Set screw [Loosen]
3. Thread take-up crank
4. Screws [2 pcs]
5. Thread trimmer solenoid
6. Belt cover support pillars [2 pcs]
7. Screws [4 pcs]
8. Blind plate
9. Frame side cover
10. Setting plate packing
11. Nut
12. Plain washer
25. Upper shaft timing belt
26. Set screws [2 pcs: Loosen]
27. Timing pulley assy, U
28. Screws [2 pcs]
29. Synchronizer assy
30. Upper shaft
31. Thrust washer
32. Bobbin winder pulley
33. Thread trimmer cam
34. U-timing pulley, F
35. U-timing belt, F
13. Nuts [2 pcs: Loosen]
14. Adjusting screw [Loosen]
15. Adjusting screw [Loosen]
16. Tension pulley arm
17. Set screws [2 pcs: Loosen]
18. Set screws [2 pcs: Loosen]
19. Set screws [2 pcs: Loosen]
20. Motor connector
21. Nut [Loosen]
22. Bolt [Loosen]
23. Bolts [3 pcs]
24. Motor bracket