xxxix
CONTENTS
BEFORE OPERATION ........................................................................................................ 1
1. SPECIFICATIONS .......................................................................................................3
2. INSTALLATION ........................................................................................................... 5
3. ADJUSTING THE HEIGHT OF THE KNEE LIFTER ................................................... 7
4. INSTALLING THE THREAD STAND .......................................................................... 8
5. LUBRICATION ............................................................................................................ 9
6. ADJUSTING THE AMOUNT OF OIL IN THE HOOK ................................................ 11
7. ADJUSTING THE AMOUNT OF OIL (OIL SPLASHES) IN THE HOOK .................. 13
8. ATTACHING THE NEEDLE ....................................................................................... 17
9. SETTING THE BOBBIN INTO THE BOBBIN CASE ................................................19
10. ADJUSTING THE STITCH LENGTH ....................................................................... 20
11. PRESSER FOOT PRESSURE ..................................................................................21
12. THREADING THE MACHINE HEAD ........................................................................ 22
13. WINDING THE BOBBIN THREAD ............................................................................ 23
14. THREAD TENSION ................................................................................................... 26
15. THREAD TAKE-UP SPRING ..................................................................................... 27
16. ADJUSTING THE THREAD TAKE-UP STROKE ..................................................... 28
17. ADJUSTING THE NEEDLE STOP POSITION ..........................................................29
18. PEDAL PRESSURE AND PEDAL STROKE ............................................................ 32
19. ADJUSTMENT OF THE PEDAL ..............................................................................34
20. PEDAL OPERATION ................................................................................................. 35
21. ONE-TOUCH TYPE REVERSE FEED STITCHING MECHANISM........................... 37
22. WIPER (DLN-9010AS
△
-WB) .................................................................................. 41
23. NEEDLE-TO-HOOK RELATIONSHIP ....................................................................... 43
24. COUNTER KNIFE .....................................................................................................45
25. HEIGHT AND TILT OF THE FEED DOG .................................................................46
26. ADJUSTING THE FEED TIMING ..............................................................................49
27. THREAD TENSION RELEASE RELEASING MECHANISM ....................................51
28. MICRO-LIFTING MECHANISM OF THE PRESSER FOOT ..................................... 53
29. ADJUSTING THE HEIGHT OF THE PRESSER FOOT ............................................57
30. ADJUSTING STITCH WIDTH ................................................................................... 58
31. ALTERNATE CHANGING OVER PROCEDURE BETWEEN THE NEEDLE FEED
AND THE BOTTOM FEED ........................................................................................ 59