9. ASSEMBLY
S-7200C
110
-25. Rotary hook
1. Rotary hook
2. Set screw [3 pcs] (Tighten)
3. Bobbin case
4. Hook stopper
5. Screw (Tighten)
4439M
Refer to “10-12. Adjusting the needle and rotar
y
hook timing” when carrying out assembly.