Brother S-7200C Manual De Usuario
7. MECHANICAL DESCRIPTIONS
S-7200C
59
７
-２. Lower shaft and rotary hook mechanism
1. Pulley
2. Motor shaft
3. Joint assembly
4. Timing pulley U
5. Timing belt
6. Timing pulley D
7. Lower shaft
8. Lower shaft gear
9. Rotary hook shaft gear
2. Motor shaft
3. Joint assembly
4. Timing pulley U
5. Timing belt
6. Timing pulley D
7. Lower shaft
8. Lower shaft gear
9. Rotary hook shaft gear
10. Rotary hook shaft
11. Rotary hook assembly
11. Rotary hook assembly
4339M