Brother 431C Sewing Machine User Manual


 
4. ASSEMBLY
KE-430B, 430C series
85
KE-484C
3402Q
3403Q
1.
Lower shaft [Insert from the rear of the
machine head]
Place the upper shaft timing belt
onto the upper shaft pulley and the
motor pulley.
Carry out the steps in “5-26. Adjusting
the tension of the upper shaft timing
belt” before tightening.
2. Lower shaft timing pulley
3. Thrust bearing
4. Lower shaft gear spacer
5. Wick [Pass through the lower shaft and
make a knot]
6. Set screw
7. U-timing belt, F
[Place onto the lower shaft timing pulley]
8. Rotary hook shaft
[Insert from the rear of the machine head]
9. Set screw collar
10. Set screws [2 pcs]
11. Lower gear
12. Set screw
13. Upper shaft timing belt
14. Motor bracket
15. Bolts [3 pcs: Temporarily tighten]
16. Bolt
17. Nut
18. Motor connector
3404Q