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| 1. Frame & Miscellaneous Cover Components |
2. Upper Shaft, Lower Shaft Driving, & Balance Components |
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| 3. Needle Bar Rocking Components |
4. Pressure Adjusting & Upper Feed Mechanism Components |
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| 5. Feed Mechanism Components |
6. Hook Shaft & Lower Shaft Components |
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| 7. Thread Tension Components |
8. Lower Thread Winder Mechanism Components |
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| 9. Knee Lifting Components |
10. Belt Cover & Oil Reservior Components |
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| 11. Lubrication Components |
12. Automatic Back Components (For LU-1508 Optional Parts) |
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| 13. Optional Parts (Additional Spring For Presser Bar) Components |
14. Suspension Square (Option) Components |
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| 15. Optional Parts Components (1) |
16. Optional Parts Components (2) |