Presser Foot Mechanism - Brother RH-9820 Service Manual

4-5. Presser foot mechanism

<When work clamp is lowered>
1. Clamp cylinder 16X10
2. Clamp cylinder rod
3. Clamp cylinder rod pin
4. Clamp driving lever
5. Clamp lever shaft
6. Clamp lever B
7. Clamp lever
8. Clamp arm
9. Work clamp
<When work clamp is raised>
Because the air is bled from the clamp cylinder, the force from the spring (1) has the opposite effect from when lowered.
1. Spring
2. Clamp cylinder 16X10
3. Clamp cylinder rod
4. Clamp cylinder rod pin
5. Clamp driving lever
6. Clamp lever shaft
7. Clamp lever B
8. Clamp lever
9. Clamp arm
10. Work clamp
RH-9820
4. MECHANICAL DESCRIPTIONS
0663B
0783B
30