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7-7. Adjustment of the presser foot height position············································
7-8. Adjustment of the presser foot position·····················································
7-9. Adjustment of the presser foot walk during the sewing·································
7-10. Adjustment of the presser foot spring pressure·········································
7-11. Adjustment of t the wiper······································································
7-12. Adjustment of the thread trimmer···························································
7-12-1 Structure of the thread trimmer mechanism··········································
7-12-2.1 Attaching the knife bracket and the knife mounting unit·······················
7-12-2.3 Connection of the knife bracket and the driving crank·························
7-12-2.5 Adjustment of the mounting position of the air cylinder························
7-12-2.7 Adjustment of the knife engagement···············································
7-13. Adjustment of the work holder pressure··················································
7-14. Adjustment of the bobbin winder····························································
7-15. Changing the work holder····································································
7-16. Adjustment of the thread take up spring··················································
7-17. Adjustment of the thread tail after the trimming·········································
7-18. Adjustment of the upper thread tension release (the width between thread
tension discs)···················································································
7-20. Adjustment of the mechanical home position············································
7-20-1. Adjustment of the X direction····························································
7-20-2. Adjustment of the Y direction ···························································
7-21. Adjustment of the X-Y timing belt tension················································
7-21-1. Adjustment of the X timing belt tension················································
7-21-2. Adjustment of the Y timing belt tension···············································
8. MAINTENANCE·······································································
8-1. Cleaning·····························································································
8-2. Disposing of oil waste············································································
9. TROUBLESHOOTING·······························································
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