promelectroavtomat ULT2003D Service Manual page 26

III.
1. POSITION OF TOUCH PANEL
(Be sure to adjust the touch panel after reconnecting the touch
panel connector.) .......................................................................................... 25
2. SETTING THE TEST MODE .......................................................................... 26
3. TENSION OF MOTOR BELT AND TIMING BELT ........................................ 31
4. NEEDLE DOWN POSITION ADJUSTMENT ................................................. 32
5. TIMING OF NEEDLE AND ROTARY HOOK
(CLEARANCE BETWEEN THE NEEDLE AND THE ROTARY HOOK POINT) . 34
6. NEEDLE BAR HEIGHT .................................................................................. 35
7. LOWER SHAFT.............................................................................................. 36
8. FRONT/BACK, LEFT/RIGHT POSITION OF FEED DOG............................. 37
9. PRESSER BAR HEIGHT ............................................................................... 39
10. CHECKING DETECTION OF FABRIC THICKNESS
(If a new main PC board is installed, this adjustment must be performed.) .. 40
11. HEIGHT OF FEED DOG ................................................................................ 41
12. THREAD ADJUSTMENT ............................................................................... 42
13. POSITION OF BUTTONHOLE SWITCH LEVER .......................................... 44
14. BOBBIN WINDER .......................................................................................... 45
15. BOBBIN THREAD DETECTOR ..................................................................... 46
16. INNER ROTARY HOOK BRACKET POSITION ............................................ 47
17. LARGE ONE-POINT PATTERN SHAPE (SOFT ADJUSTMENT)................. 48
18. FEED ADJUSTMENT (VERTICAL FEED)..................................................... 49
19. INNER ROTARY HOOK TENSION................................................................ 50
20. KNEE LIFTER ................................................................................................ 50
21. NEEDLE THREADER .................................................................................... 51
22. NEEDLE THREADER
(CHECKING THE HOOK POSITION IN HORIZONTAL DIRECTION) .......... 52
23. NEEDLE THREADER (EXCHANGE)............................................................. 53
24. NEEDLE THREADER
(CHECKING THE HOOK IN STANDARD POSITION) .................................. 54
25. NEEDLE THREADER
(CHECKING THE HOOK POSITION IN VERTICAL DIRECTION)................ 54
26. TIMING BELT TENSION FOR THE X DIRECTION....................................... 55
27. TIMING BELT TENSION FOR THE Y DIRECTION ....................................... 56
28. FD UPGRADE PROCEDURE ........................................................................ 57
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