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BEFORE OPERATION .....................................................................................................................1
SPECIFICATIONS ...........................................................................................................................1
1. INSTALLATION OF THE MACHINE ..........................................................................................1
2. ADJUSTING THE BELT TENSION .............................................................................................2
3. INSTALLATION OF THREAD STAND .......................................................................................3
4. ATTACHING THE BELT COVER AND BOBBIN WINDER ...........................................................3
5. LUBRICATION ..........................................................................................................................4
6. ATTACHING THE NEEDLE ........................................................................................................4
7. WINDING A BOBBIN ...............................................................................................................5
8. THREADING THE BOBBIN CASE .............................................................................................5
9. INSTALLING THE TAKE-UP THREAD GUIDE ROD...................................................................5
10. THREAD THE MACHINE HEAD ................................................................................................6
11. ADJUSTING THE STITCH LENGTH ..........................................................................................6
12. THREAD TENSION ...................................................................................................................7
13. THREAD TAKE-UP SPRING ......................................................................................................7
14. PRESSURES OF THE PRESSER FOOT AND WALKING FOOT ..................................................7
15. HEIGHT OF THE FEED DOG .....................................................................................................8
16. ADJUSTING THE WALKING FOOT AND THE PRESSER FOOT ................................................8
17. NEEDLE-TO-HOOK RELATIONSHIP ........................................................................................9
18. AUXILIARY THREAD TENSION CONTROLLER ......................................................................10
19. PRESSURE OF THE FIXED KNIFE ...........................................................................................10
20. ONE-TOUCH TYPE REVERSE FEED STITCHING MECHANISM ............................................10
21. HOME POSITION OF THE ROTARY KNIFE ............................................................................11
22. ADJUSTING THE THREAD TRIMMING CAM .........................................................................11
23. HOW TO MANUALLY OPERATE THE THREAD TRIMMER .....................................................11
24. HOW TO REPLACE THE KNIVES ............................................................................................12
25. SEWING SPEED VS. ALTERNATE LIFTS ................................................................................12
26. TROUBLES AND CORRECTIVE MEASURES ..........................................................................13
CONTENTS
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