Thread Trimming Mechanism - Brother S-7300A Service Manual

4-5. Thread trimming mechanism

Thread trimming mechanism operation sequence
The illustration below shows the mechanism with the high-speed rotary hook removed.
1) When thread rimming signal is input
1. Solenoid plunger
2. Solenoid lever
3. Thread trimmer cam lever shaft
4. Roller (Moves to above (1))
(1) Thread trimmer cam
S-7300A
4. MECHANICAL DESCRIPTIONS
1039D
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