JUKI AMB-289, Engineer'S Manual

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CONTENTS
1. Specifications ........................................................................................................ 1
(1) Specifications ......................................................................................................................... 1
(2) Shapes of buttons .................................................................................................................. 2
2. CONFIGURATION .................................................................................................... 4
(1) Sewing machine ...................................................................................................................... 4
(2) Operation panel ...................................................................................................................... 5
3. STANDARD ADJUSTMENT .................................................................................... 8
(1) Adjusting the height of the needle bar ................................................................................. 8
(2) Adjusting the clearance between the needle and the looper ............................................. 8
(3) Adjusting the needle and the needle guide ........................................................................ 10
(4) Adjusting the position of the york slide ............................................................................. 10
(5) Wiper adjustment .................................................................................................................. 12
(6) Adjusting the face plate thread tension ............................................................................. 14
(7) Adjusting the cloth presser cylinder for sewing flat button directly to cloth ................. 16
(8) Adjusting the position of Y top feed motor ........................................................................ 18
(9) Adjusting the position of Y bottom feed motor ................................................................. 20
(10) Adjusting the tongue up/down cylinder ............................................................................. 22
(11) Adjusting the chuck up/down motor .................................................................................. 24
(12) Adjusting the differential feed (X top feed) motor ............................................................. 26
(13) Adjusting the tongue stopper .............................................................................................. 28
(14) Adjusting the chuck inversion cylinder .............................................................................. 30
(15) Adjusting the chuck open/close cylinder ........................................................................... 32
(16) Adjusting the respective sensors ....................................................................................... 34
4. DISASSEMBLING, ASSEMBLING AND ADJUSTMENT ...................................... 38
(1) Disassembling and assembling of the main shaft ............................................................ 38
(2) Disassembling and assembling of the face plate .............................................................. 44
(3) Disassembling and assembling of the needle bar rocking base
and the needle bar crank rod ............................................................................................... 46
(4) Disassembling and assembling of the needle throwing motor
and the needle bar rocking arm .......................................................................................... 48
(5) Replacing the main motor .................................................................................................... 52
(6) Replacing the looper rocking base ..................................................................................... 54
(7) Disassembling and assembling the looper rocking link and the looper rocking shaft ...... 56
(8) Replacing the thread trimmer cylinder ............................................................................... 58
(9) Replacing and adjusting the active tension (VCM) ........................................................... 60
(10) Replacing and adjusting the thread drawing cylinder ...................................................... 62
(11) Replacing the thread drawing motor .................................................................................. 64
(12) Replacing the loader motor ................................................................................................. 66
(13) Replacing and adjusting the cloth presser cylinder for sewing
and wrapping flat button with blindstitch .......................................................................... 68
(14) Replacing and adjusting the tongue release cylinder ....................................................... 70
(15) Adjusting the moving knife and the fixed knife ................................................................. 72
5. OPERATION PANEL .............................................................................................. 76
(1) Sewing method and sewing shape list .............................................................................. 76
(2) Default values ....................................................................................................................... 78
(3) Data list .................................................................................................................................. 80
(4) Sensor list ............................................................................................................................. 82
(5) Communication function ..................................................................................................... 83
(6) Information function ............................................................................................................. 85