Feed Mechanism - Brother S-7300A Service Manual

4-3. Feed mechanism

Feed dog up/down movement
1. Main shaft motor
2. Upper shaft
3. Pulley
4. Lower shaft
5. Vertical feed assembly
6. Lifting feed shaft unit
7. Feed bar assembly
8. Feed dog
Feed dog horizontal movement
1. P motor assembly
2. Feed rocker link unit
3. Feed rock shaft
4. Feed rock bracket arm
5. Feed bar shaft assembly
6. Feed bar assembly
7. Feed dog
S-7300A
4. MECHANICAL DESCRIPTIONS
1275D
1138D
40