Brother 431C Sewing Machine User Manual


 
4. ASSEMBLY
3332Q
KE-484C
KE-430B, 430C series
55
Apply grease.
Apply grease.
Apply grease.
3331Q
Tighten the set screw on the screw flat while
lightly pressing the lever shaft downward.
Install the retaining ring between the thread
driving lever assembly and the washer.
Pla
ce the cushion against the edge of the
arm, set the various parts so that there is no
gap between them as shown in the
illustration, and then tighten the set screw as
far as the screw stop.
Adjust the position of the thread driving lever
assembly while referring to “5-20. Adjusting
the position of the thread trimming link
mechanism”.
1. Driving lever guide shaft
2. Spring
3. Washer
4. Thread driving lever assy
5. Cushion
6. Retaining rings [2 pcs]
7. Set screw
8. Rubber cap
9. Thread trimmer rod, L
10. Lever shaft
11. Set screw
12. Rubber cap
13. Thread trimmer lever
14. Thread trimmer lever shaft
(with washer and retaining ring)
15. Set screw
16. Thread trimmer rod assy
17. Shoulder screw
18. Nut
19. Washers [2 pcs]
20. Shoulder screw
21. Nut
22. Thread trimmer cylinder
23. Bolts [2 pcs]
24. Spring
Tighten the set screw on the screw flat while lightly
pressing the thread trimmer lever shaft upward.
3333Q
Tilt the machine head.
Apply grease.