xi
CONTENTS
1. SPECIFICATIONS .......................................................................................................... 1
2. INSTALLATION .............................................................................................................. 2
3. INSTALLING THE BELT COVER AND THE BOBBIN WINDER .................................... 2
4. INSTALLING THE THREAD STAND .............................................................................. 3
5. LUBRICATION ............................................................................................................... 4
6. ATTACHING THE NEEDLE ............................................................................................ 6
7. WINDING A BOBBIN ..................................................................................................... 7
8. THREADING THE BOBBIN CASE ................................................................................ 8
9. ADJUST THE PEDAL .................................................................................................... 9
10. THREAD THE MACHINE HEAD .................................................................................. 10
11. THREAD TENSION ...................................................................................................... 11
12. THREAD TAKE-UP SPRING........................................................................................ 11
13. PRESSER FOOT PRESSURE ..................................................................................... 12
14. HEIGHT OF THE FEED DOG ...................................................................................... 12
15. TILT OF THE FEED DOG ............................................................................................. 13
16. ADJUSTING THE STITCH LENGTH ........................................................................... 13
17. NEEDLE-TO-HOOK RELATIONSHIP .......................................................................... 14
18. ADJUSTING THE WALKING FOOT AND THE PRESSER FOOT ............................... 15
19. RELATIONSHIP BETWEEN THE FEED TIMING AND THE NEEDLE POSITION ...... 18
20. RELATIONSHIP BETWEEN THE PRESSER FOOT AND THE NEEDLE ................... 19
21. ADJUSTING THE THREAD TAKE-UP STROKE ......................................................... 19
22. MOTOR PULLEY AND V-BELT ................................................................................... 20
23. TROUBLES IN SEWING AND CORRECTIVE MEASURES ....................................... 21
