– 7 –
13. THREAD TAKE-UP SPRING
14. ADJUSTING THE PRESSURE OF THE PRESSER FOOT
12. THREAD TENSION
WARNING :
To avoid possible personal injury due to abrupt start of the machine, turn off the power to the machine and check to be sure that the
motor has totally stopped rotating in prior.
vii
CONTENTS
BEFORE OPERATION ..................................................................................................................... 1
SPECIFICATIONS ............................................................................................................................. 1
1. INSTALLATION OF THE MACHINE .......................................................................................... 1
2. ADJUSTING THE BELT TENSION ............................................................................................ 2
3. INSTALLATION OF THREAD STAND AND BOBBIN WINDER ................................................ 3
4. ATTACHING THE BELT COVER ............................................................................................... 3
5. INSTALLING THE THREAD GUIDE PIN ................................................................................... 3
6. LUBRICATION............................................................................................................................ 4
7. ATTACHING THE NEEDLE ........................................................................................................ 4
8. WINDING THE BOBBIN ............................................................................................................. 5
9. THREADING THE HOOK ........................................................................................................... 5
10. SETTING THE BOBBIN CASE IN THE HOOK AND TAKING IT OUT FROM THE HOOK ..... 6
11. THREADING THE MACHINE ..................................................................................................... 6
12. THREAD TENSION .................................................................................................................... 7
13. THREAD TAKE-UP SPRING ...................................................................................................... 7
14. ADJUSTING THE PRESSURE OF THE PRESSER FOOT ....................................................... 7
15. ADJUSTING THE FEED AMOUNT (STITCH LENGTH) ............................................................ 8
16. ADJUSTING THE FEED MECHANISM ..................................................................................... 8
17. ADJUSTING THE STITCH WIDTH ............................................................................................ 9
18. NEEDLE-TO-HOOK RELATION ................................................................................................ 9
19. AUXILIARY THREAD TENSION .............................................................................................. 10
20. REPLACING THE COUNTER KNIFE AND MOVING KNIFE .................................................. 10
21. HOW TO USE THE REVERSE FEED SWITCH LEVER .......................................................... 10
22. ONE-TOUCH TYPE REVERSE FEED STITCHING MECHANISM.......................................... 10
23. ADJUSTING THE TIMING OF THE THREAD TRIMMING ...................................................... 11
24. ADJUSTING THE BOBBIN THREAD PICKER ....................................................................... 11
25. TROUBLES AND CORRECTIVE MEASURES ........................................................................ 12
