Bobbin Case, Hook And Thread Trimmer Mechanism - Brother S-7300A Service Manual

6. ASSEMBLY

6-12. Bobbin case, hook and thread trimmer mechanism

Assemble while referring to
"Adjusting the thread trimmer".
1. Thread trimmer lever spring
2. Retaining ring
3. Forked shaft
4. Rubber cushion
5. Thread trimmer lever assembly
6. Collar
7. Extension spring
8. Rubber cushion
9. Thread trimmer cam lever shaft
10. Set screw
11. Lower thread finger
93
<Other than premier
specifications>
<Other than premier
specifications>
12. Washer
13. Screw
14. Thread trimmer lever assembly
<14> Thread trimmer lever assembly
15. Screw
<15> Screw (Provisionally tighten)
16. Thread trimmer lever spring
(Insert into the hole)
17. Knife holder presser plate
18. Flat screws [3 pcs]
<18> Fixed knife
<19> Flat screws (Tighten)
Align the stepped part of the shaft with the edge
of the thread trimmer cam lever assembly.
S-7300A
Insert into the hole
Insert the slide block
into the forked shaft.
1218D
19. Rotary hook
20. Set screws [3 pcs]
21. Bobbin case
22. Hook stopper
23. Screw