Table Of Contents - Jack JK-8995 Manual

CONTENTS
SCHEMATIC DIAGRAM OF THE MACHINE TABLE-------------------------------------1
BEFORE OPERATION- ---- -- --------- --------- -- ------- -- ------- -- ------- -- ------- --------- ------- -2
1. SPECIFICATIONS --------- -- ------- -- --------- --------- --------- --------- ------- -- ------- --------3
2. INSTALLATION ---------- -- --------- --------- --------- --------- --------- --------- ------- -- ------- -4
3. ADJUSTING THE HEIGHT OF THE KNEE LIFTER -----------------------------------5
4. INSTALLING THE THREAD STAND------ -- --------- --------- --------- --------- ------- --- -·5
5. LUBRICATION(8990SS,8991SS)- ------- -- --------- --------- --------- --------- --------- ------- -5
6. ADJUSTING THE AMOUNT OF OIL IN THE HOOK(8990SS,8991SS)-------------·6
7. ADJUSTING THE AMOUNT OF OIL(OIL SPALSHES)IN THE HOOK
(8990SS,8991SS) -- --------- -- ------- -- --------- -- ------- -- ------- -- ------- ------- -- ------- -- ------- -7
8. ATTACHING THE NEEDLE------ --------- --- ------ --- ------ -- ------- --- ------ --- ------ ------- -8
9. SETTING THE BOBBIN INTO THE BOBBIN CASE------------------------------------ 9
10. ADJUSTING THE STITCH LENGTH------------------ --------- --------- -------- --------- · 10
11. PRESSER FOOT PRESSURE--- --- -------- --------- --------- --------- --------- ------- --- ---- 10
12. THREADING THE MACHINE HEAD-----------------------------------------------------11
13. WINDING THE BOBBIN THREAD--------------------------------------------------------12
14. THREAD TENSION---- --------- --- -------- --------- --------- --------- ------- -- ------- --- ------ · 13
15. THREAD TAKE-UP SPRING- --------- --- ------ --- ------ -- ------- --------- --- ------ --- ------ · 14
16. ADJUSTING THE THREAD TAKE-UP STROKE --------------------------------------15
17. ADJUSTING THE NEEDLE STOP POSITION------------------------------------------15
18. PEDAL PRESSURE AND PEDAL STROKE --------------------------------------------- -17
19. ADJUSTMENT OF THE PEDAL-- --------- --------- --- ------ --- ------ --- ------ --------- ----18
20. PEDAL OPERATION------ -- ------- -- ------- -- --------- ------- -- --------- ------- -- ------- -- ----18
21. ONE-TOUCH TYPE REVERSE FEED STITCHING MECHANISM---------------19
22. WIPER- -- -- ------- -- ------- -- --------- -- ------- -- ------- -- ------- -- ------- ------- -- ------- -- ------- 21
23. NEEDLE-TO-HOOK RELATIONSHIP -- --------- --------- -- ------- --------- --------- -----22
24. COUNTER KNIFE- ---- --------- -- ------------------ --------- --------- --------- ------- --------- - 23
25. HEIGHT AND TILT OF THE FEED DOG------------------------------------------------ 24
26. ADJUSTING THE FEED TIMING------- --------- ----------- ------- -- ---------------- ------ 25
27. THREAD TENSION RELEASE RELEASING MECHANISM----------------------- 26
28. MICRO-LIFTING MECHANISM OF THE PRESSER FOOT------------------------27
29. ADJUSTING THE HEIGHT OF THE PRESSER FOOT-------------------------------28
30. ADJUSTING STITCH WIDTH--------------------- --- ------ --- ------ --- ------ --------- ----- ·28
31. ALTERNATE CHANGING OVER PROCEDURE BETWEEN THE NEEDLE FEED AND THE BOTTOM FEED ----- 29
PARTS BOOK- -- -- --------- -- ------- -- ------- -- ------- -- ------- -- ------- -- ------- -- ------- --------- --.37
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