Tension Release Mechanism - Brother Z-8550A Service Manual
Electronic direct drive zigzag lock stitcher with thread trimmer
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Also See for Z-8550A:
- Instruction manual (90 pages) ,
- Parts book (70 pages) ,
- Brochure & specs (6 pages)
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5. MECHANICAL DESCRIPTIONS
5-8. Tension release mechanism
1. Lifting lever
2. Presser bar lifter lever
3. Tension release plate
4. Tension release stud
5. Tension release pin
(Press the tension disc presser.)
6. Tension disc presser
7. Rotary disc
(1) Tension release pin
43
<1> Knee lifter connecting rod
(Press the knee switch.)
Z-8550A, 8560A
1120B
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Troubleshooting
