3-8. Tension release mechanism
1a. Presser bar lifter
<Tension release of thread trimming (B856E)>
5. Tension release
connecting rod
2. Lifter lever
7. Rotary disc
Tension release pin
3. Lever
6. Tension release plate
8. Tension release pin
1b. Connecting rod (When press the knee lifter)
3. Tension release plate
4. Tension release stud
5. Tension release pin (Put the disc presser)
6. Disc presser
2. Link
4. Lever
7. Tension release stud
LZ2-B855E,B856E
3. MECHANICAL DESCRIPTIONS
1. Solenoid
1111S
3-08