Table Of Contents - JUKI AMS-221EN Series Engineer's Manual

1. Specifications ........................................................................................................ 1
2. Configuration ........................................................................................................... 2
(1) Names of main unit .................................................................................................................. 2
(2) IP-420 operation panel ............................................................................................................. 3
3. Standard adjustment ..............................................................................................
(1) Adjustment of the throat plate auxiliary cover height ......................................................... 4
(2) Adjustment of the feed bar auxiliary cover rail X ................................................................ 6
(3) Adjustment of the X movement top cover............................................................................ 6
(4) Main shaft connection/disconnection .................................................................................. 8
(5) Removal of main shaft motor and coupling ....................................................................... 10
(6) Crank rod connection/disconnection ................................................................................. 12
(7) Crank balancer positioning ................................................................................................. 14
(8) Adjustment of intermediate presser cam ........................................................................... 16
(9) Adjustment of intermediate presser bar............................................................................. 16
(10) Intermediate presser variable connection /disconnection ............................................... 18
(11) Intermediate presser variable adjustments........................................................................ 20
(12) Intermediate presser drive arm ........................................................................................... 22
(13) Lower shaft backlash adjustment and connection/disconnection .................................. 24
(14) Oscillator gear positioning .................................................................................................. 24
(15) Adjustment of hook oil amount ........................................................................................... 26
(16) Shuttle connection / disconnection and oil wick piping ................................................... 26
(17) Adjusting the height of the needle bar ............................................................................... 28
(18) Hook adjustment................................................................................................................... 30
(19) Thread trimmer presser lifter cam connection/disconnection ........................................ 32
(20) Thread trimmer and presser origin sensor adjustment ................................................... 32
(21) Adjustment of the moving knife and counter knife position ............................................ 34
(22) Floating amount of the thread tension disk ...................................................................... 34
(23) Second thread tension connection / disconnection ......................................................... 36
(24) AT unit connection / disconnection .................................................................................... 38
(25) Wiper adjustment ................................................................................................................. 40
(26) Backlash adjustment for the X motor ................................................................................. 42
(27) Backlash adjustment for the Y motor ................................................................................. 42
(28) Adjustment of the tension of the X timing belt ................................................................. 44
(29) Adjustment of the tension of the Y timing belt ................................................................. 46
(30) How to remove rattles from the Y drive shaft .................................................................... 48
(31) Phase adjustment for the Y timing belt .............................................................................. 48
(32) Adjustment of the X-Y mechanism ..................................................................................... 50
(33) Pressure adjustment for the side plate bearing ................................................................ 52
(34) Initial length of the presser cylinder ................................................................................... 54
(35) Initial length of the 2-step stroke cylinder.......................................................................... 54
(36) Adjustment of the speed controller .................................................................................... 56
(37) Adjustment of the pressure reducer ................................................................................... 58
(38) Making the origin setting gauge ......................................................................................... 60
(39) Adjusting the X origin sensor ............................................................................................. 60
(40) Adjusting the Y origin sensor ............................................................................................. 62
(41) Adjustment of the bobbin winder driving wheel position ................................................ 64
(42) Adjusting the bobbin winder amount ................................................................................. 64
(43) Adjustment of the shuttle upper spring and lower thread holder position .................... 66
(44) Shuttle felt ............................................................................................................................. 66
(45) Shape of the shuttle race ring ............................................................................................. 68
(46) Adjustment of thread take-up spring ................................................................................. 68
(47) Needle thread clamp device connection/disconnection .................................................. 70
(48) Adjusting the needle thread clamp notch .......................................................................... 72
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