Brother PC8200 SUPER GALAXIE 2000 Service Manual page 24

III. HOW TO ADJUST MECHANICAL ELEMENTS
1. POSITION OF TOUCH PANEL
(Be sure to adjust the touch panel after reconnecting the touch panel
connector.) ...........................................................................................................23
2. SETTING THE TEST MODE..................................................................................24
3. TENSION OF MOTOR BELT AND TIMING BELT................................................25
4. NEEDLE DOWN POSITION ADJUSTMENT.........................................................26
5. TIMING OF NEEDLE AND ROTARY HOOK
(CLEARANCE BETWEEN THE NEEDLE AND THE ROTARY HOOK POINT) ..27
6. NEEDLE BAR HEIGHT..........................................................................................28
7. LOWER SHAFT .....................................................................................................29
8. FRONT/BACK, LEFT/RIGHT POSITION OF FEED DOG ....................................30
9. HEIGHT OF FEED DOG ........................................................................................31
10. PRESSER BAR HEIGHT .......................................................................................32
11. CHECKING DETECTION OF FABRIC THICKNESS
(If a new main PC board is installed, this adjustment must be performed.) ..33
12. POSITION OF BUTTONHOLE SWITCH LEVER ..................................................34
13. BOBBIN WINDER..................................................................................................35
14. BOBBIN THREAD DETECTOR ............................................................................36
15. INNER ROTARY HOOK BRACKET POSITION ...................................................37
16. LARGE ONE-POINT PATTERN SHAPE (SOFT ADJUSTMENT)........................38
17. FEED ADJUSTMENT (VERTICAL FEED) ............................................................39
18. INNER ROTARY HOOK TENSION .......................................................................40
19. NEEDLE THREADER ............................................................................................40
20. NEEDLE THREADER
(CHECKING THE HOOK POSITION IN HORIZONTAL DIRECTION) .................41
21. NEEDLE THREADER (EXCHANGE) ....................................................................41
22. NEEDLE THREADER (CHECKING THE HOOK IN STANDARD POSITION).....42
23. NEEDLE THREADER
(CHECKING THE HOOK POSITION IN VERTICAL DIRECTION) .......................42
24. TIMING BELT TENSION FOR THE X DIRECTION ..............................................43
25. TIMING BELT TENSION FOR THE Y DIRECTION ..............................................44
26. ADJUSTING THE X BELT PRESSER ..................................................................45
27. ADJUSTING THE Y BELT PRESSER ..................................................................45
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