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1. Brief introduction.................................................................................1
2. Main specifications..............................................................................1
3. Installation...........................................................................................1
4. Installing the oil box............................................................................2
5. Adjusting the tension of the belt.........................................................2
6. Installing the belt cover.......................................................................2
7. Lubrication.........................................................................................3
8. Installing the needle...........................................................................3
9. Threading the bobbin thread..............................................................4
10. Installing the rotating hook body.......................................................4
11. Installing the winding guider.............................................................4
12. Winding the bobbin thread...............................................................4
13. Threading ........................................................................................5
14. Adjusting the stitch length.................................................................5
15. Adjusting the thread tension.............................................................5
16. Adjusting the thread take-up spring..................................................6
17. Presser foot lifter..............................................................................6
18. Adjusting the pressure of the presser foot........................................6
19. Relationship between needle and rotating hook..............................6
20. Adjusting the alternating amount of presser foot..............................7
21. Sewing speed list..............................................................................7
22. Troubleshooting................................................................................7
1. Arm and bed....................................................................................8- 9
2. Upper shaft and thread take-up mechanism................................10-11
3. Needle bar vibrating parts...........................................................12-13
4. Upper feed parts..........................................................................14-15
5. Feed mechanism.........................................................................16-17
6. Lower shaft and rotating hook shaft............................................18-19
7. Thread tension and winding parts...............................................20-21
8. Knee control parts.......................................................................22-23
9. Lubrication..................................................................................24-25
10. Accessories...............................................................................26-27
CONTENT
Operation Instruction
Parts Manua