Brother BAS-342G - Tension Release Mechanism

4. MECHANICAL DESCRIPTIONS
BAS-342G
40
4-8. Tension release mechanism
4-9. Thread wiper mechanism
1. Tension release solenoid
2. Bolt
3. Tension release bar
4. Tension release pin
5049Q
1. Thread wiper solenoid assembly
2. Thread wiper rod
3. Thread wiper crank assembly
4. Wiper
5050Q
When the thread wiper solenoid assembly is turned off,
the wiper operates in the opposite direction.