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| 1. Machine Frame & Miscellaneous Cover Components |
2. Bobbin Winder Components |
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| 3. Main Shaft & Thread Take-Up Lever Components |
4. Needle Bar. Upright Shaft & Hook Driving Shaft Components |
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| 5. Hand Lifter Components |
6. Feed Mechanism Components |
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| 7. Thread Trimmer Components (For DDL-8100B-7) |
8. Thread Trimmer Components (For DDL-8100B-7R) |
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| 9. Automatic Reverse Feed Components |
10. Wiper Components |
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| 11. Oil Lubrication Components |
12. Oil Reservoir Components |