9. STANDARD ADJUSTMENT ................. 63
9-1. Standard thread tension ................................. 63
9-1-1. Upper and lower thread tension ........... 63
9-1-2. Thread take-up spring .......................... 64
9-1-3. Arm thread guide C .............................. 65
9-1-4. Needle bar bush thread guide D .......... 65
9-2. Adjusting the needle bar height ...................... 65
9-3. Adjusting the needle bar lift amount and the
driver needle guard ......................................... 66
9-4. Adjusting the needle clearance ...................... 66
9-5. Adjusting the shuttle race thread guide .......... 67
9-6. Rotary hook lubrication amount ...................... 67
9-7. Replacing the movable knife and fixed knife .. 68
9-8. Adjusting the work clamp lift amount
(KE-430 FX･FS) ............................................. 69
9-9. Adjusting the button clamp lift amount
(BE-438FX) ..................................................... 69
9-10. Adjusting the holding pressure
(BE-438FX) ..................................................... 70
9-11. Adjusting the position of the button clamp
(BE-438FX) ................................................... 70
9-12. Adjusting the thread wiper ............................ 70
9-13. Checking the machine head switch .............. 71
10. TABLE OF ERROR CODES ............... 72
11. TROUBLESHOOTING ........................ 76
12. 7-SEGMENT DISPLAY LIST .............. 79
KE-430FX/KE-430FS, BE-438FX
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