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manual abstract
Brief intuoduction 1 .. . . . . . . . . . . . . . . . 2. Main technical specifications 1 .. . . . . . . . . . . . . . 3. Feed adjustment/reverse stitching 1 .. . . . . . . . . . . . . 4. Adjusting upper feed stroke 1 .. . . . . . . . . . . . 5. Winding bobbin thread 2 .. . . . . . . . . . . . . . . 6. Adjusting the bobbin thread tension 2 .. . . . . . . . . . 7. Threading the needle thread/adjusting the tension of needle thread 2 .. . . . . . 8. Maintenance 3 .. . . . . . . . . . . . . . . . . 9. Oiling 3 .. . . . . . . . . . . . . . . . . . 10. Lubricating the hook 4 .. . . . . . . . . . . . . . . 11. Lubricating the machine head 4 .. . . . . . . . . . . . . 12. Lubricating upper feed driving eccentric 4 .. . . . . . . . . 13. Adjusting the feed dog 5 .. . . . . . . . . . . . 14. Pre-adjusting the needle height 6 .. . . . . . . . . . . . . 15. Centering the needle in the needle hole 6 .. . . . . . . . . . . 16. Adjusting the bottom feed dog position 6 .. . . . . . . . . . . . 17. Adjusting the upper and the lower feed 7 .. . . . . . . . . . . 18. Position of needle and rotating hook 7 .. . . . . . . . . . 19. Adjusting the lifting amount of alternating presser foot. 7 .. . . . . . . . 20. Top feed adjustment 8 .. . . . . . . . . . . . . . . 21. Adjusting the bobbin case opener 8 .. . . . . . . . . . . . . 22. Safety clutch 8 .. . . . . . . . . . . . . . . 23. Needle thread tension release 9 .. . . . . . . . . . . . . 24. Bobbin thread winder 9 .. . . . . . . . . . . . . . . Parts manual 1.Machine casting components.. . . . . . . . . . . . . . . . . . . 10- 11 2.Needle and presser foot components.. . . . . . . . . . . . . . . 12- 15 3.Presser foot lifting components.. . . . . . . . . . . . . . . . . . . 16- 17 4.Thread take-up and thread tension components.. . . . . . . . . . . 18- 19 5.Feed adjustment components.. . . . . . . . . . . . . . . . . . . 20- 21 6.Upper shaft and rocking shaft components.. . . . . . . . . . . . . . . 22- 23 7.Timing belt components.. . . . . . . . . . . . . . . . . . . 24- 25 8.Rotating hook saddle components.. . . . . . . . . . . . . . . . . . . 26- 27 9.Needle plate and hook components.. . . . . . . . . . . . . . . . . 28- 29 10.Lower feed components.. . . . . . . . . . . . . . . . . . . 30- 31 11.Lower shaft components.. . . . . . . . . . . . . . . . . . . 32- 33 12.Knee lifter components.. . . . . . . . . . . . . . . . . . . 34- 35 13. Binder Components 8-39 .. . . . . . . . . . . . . . . . 14. Accessories.. . . . . . . . . . . . . . . . 839 „” ./: (495) 989-22-97OPERATION INSTRUCTION „” ./: (495) 989-22-971. Brief introduct on i 2. Main technical specifications TW1-1245 adopts compound feed mechanism with synchronous top, bottom and needle feed and the max amount of alternating presser foot lifter reaches 7 mm, which guarantees the high sewing quality of different materials. Besides, TW1-1245 adopts the large auto-lubricating horizontal rotating hook, 4-link thread take-up lever and timing belt, which assures its lower noise and high speed. This machine is widely used in manufacturing suitcase, tents, cushions, lenther products, clothes bamboo matting, etc. Applications Medium &heavy weight materials Max. Sewing speed 2000s.p.m Max. Stitch length 8mm Needle bar stroke 36mm Needle DP 35 80 140Nm Lubrication By hand(partly) Motor power 370W 3. Feed adjustment/reverse stitching(Fig.1) 1. Adjusting the stitch length by turning Nut 1; 2. When backward stitching, push Nut 1to Mark R as much as possible. 4. Adjusting upper feed stroke(Fig.2) Open the rear cover 1; loosen the screw2, and as required, move it up and down. 1 2 1 „” ./: (495) 989-22-975. Winding bobbin thread(Fig.3) 4 5 3 1. Put the bobbin into the bobbin shaft 2; 2. As Fig 3 shows, draw out the thread and winding clockwise to the bobbin several times; 3. Before winding, press down the winding shaft 2 and the hook gib 3; 4. Adjusting the bobbin 1 thread tension by the screw 4; 5. When he bobbin is full, the bobbin winder will automatically stop. If the winding is abnormal, loosen the screw 5, and as required, move the thread guide 6, then tighten the screw 5. 6. Adjusting the bobbin thread tension(Fig.4) 1. As Fig.4 shows, draw out the bobbin thread; When the bobbin thread is drawn out, the bobbin should run as the arrow goes. 2. Adjusting the bobbin thread tension by the screw 1. 7. Threading the needle thread/adjusting the tension of needle thread(Fig.5) 1. Threading as the Fig 5 shows. Pass the thread to the eye of needle from the left side(Fig.arrow) 2. Adjusting the needle thread tension by the screw 1 2 „” ./: (495) 989-22-978. MaintenanceClean the bobbin clearance Once a week Normal oiling Twice a week Front parts oiling Twice a week Check the hook oil box Once a week Clean the rotating hook Once a week Upper feed driving eccentric oiling once a year The above data is due to the normal situation. If the machine is used frequently, the interval of the maint...