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KE-430F, BE-438F
9. DISASSEMBLY ................................... 61
9-1. Covers .................................................................61
9-2. Work clamp arm mechanism................................62
9-3. Needle bar mechanism........................................63
9-4. Upper shaft mechanism.......................................64
9-5. Lower shaft mechanism.......................................66
9-6. Lubrication ...........................................................68
9-7. Feed mechanism .................................................69
9-8. Thread wiper mechanism.....................................70
9-9. Work clamp lifter mechanism...............................71
9-10. Threading mechanism .......................................73
9-11. Tension release mechanism..............................73
9-12. Thread nipper mechanism (KE-430F -03, -0F,
-0K specifications only)......................................74
9-13. Thread trimmer mechanism...............................75
9-14. Shuttle hook mechanism ...................................77
10. ASSEMBLY ....................................... 78
10-1. Thread trimmer mechanism (1)..........................78
10-2. Tension release mechanism..............................80
10-3. Threading mechanism .......................................80
10-4. Thread wiper mechanism ..................................81
10-5. Thread nipper mechanism .................................82
10-6. Work clamp lifter mechanism.............................83
10-7. Feed mechanism ...............................................86
10-8. Upper shaft mechanism.....................................90
10-9. Needle bar mechanism......................................92
10-10. Lower shaft mechanism...................................94
10-11. Lubrication.......................................................98
10-12. Shuttle hook mechanism .................................98
10-13. Thread trimmer mechanism (2) .......................99
10-14. Work clamp arm mechanism (KE-430F) ....... 100
10-15. Work clamp arm mechanism (BE-438F) ....... 101
10-16. Covers........................................................... 102
11. ADJUSTMENT.................................. 103
11-1. Standard thread tension .................................. 103
11-1-1. Upper and lower thread tension................ 104
11-1-2. Thread take-up spring............................... 105
11-1-3. Arm thread guide C................................... 106
11-1-4. Needle bar bush thread guide D............... 106
11-2. Adjusting the needle bar height....................... 106
11-3. Adjusting the needle bar lift amount and the
driver needle guard ......................................... 107
11-4. Adjusting the needle clearance ....................... 107
11-5. Adjusting the shuttle race thread guide ........... 108
11-6. Rotary hook lubrication amount....................... 108
11-7. Adjusting the thread trimming.......................... 109
11-8. Adjusting the position of the movable knife ..... 110
11-9. Replacing the movable knife and fixed knife ... 111
11-10. Adjusting the work clamp lift amount
(KE-430F) ..................................................... 112
11-11. Adjusting the button clamp lift amount
(BE-438F) ..................................................... 112
11-12. Adjusting the holding pressure (BE-438F) .... 113
11-13. Adjusting the position of the button clamp
(BE-438F) ..................................................... 113
11-14. Adjusting the thread trimmer cam position .... 113
11-15. Adjusting the thread wiper............................. 114
11-16. Adjusting the tension release amount ........... 115
11-17. Adjusting the backlash amount (play) of the
lower shaft gear............................................. 116
11-18. Adjusting the home position .......................... 117
11-18-1. X- and Y-feed motor home positions ...... 117
11-18-2. Work clamp lift motor home position....... 119
11-18-3. Thread nipper motor home position........ 121
11-19. Adjusting the main shaft motor standard
position.......................................................... 123