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Attachment of Base plate ............................................................................................................3 - 71
Attachment of Inner rotary hook plate assy ................................................................................3 - 71
Attachment of Inner rotary hook assy .........................................................................................3 - 72
Assembly/Attachment of Needle plate assy ................................................................................3 - 72
Attachment of Stopper plate R/M ...........................................................................................3 - 72
Attachment of Needle plate A ................................................................................................3 - 73
Attachment of NT lower thread cutter ....................................................................................3 - 74
Attachment of Slide plate .......................................................................................................3 - 74
Assembly of Feed adjuster assy .......................................................................................................3 - 75
Main motor unit ................................................................................................3 - 76
Assembly of Motor 3P supply assy .................................................................................................3 - 77
Main frame and Covers ...................................................................................3 - 78
Assembly of Rear cover assy ...........................................................................................................3 - 79
Attachment of Thread guide assy ................................................................................................3 - 79
Attachment of Bobbin presser .....................................................................................................3 - 79
Attachment of Spool pin .............................................................................................................3 - 79
Assembly of Front cover assy ..........................................................................................................3 - 80
Attachment of Rubber cushion A ................................................................................................3 - 80
Attachment of LED lamp supply assy .........................................................................................3 - 80
Assembly of Face plate assy ............................................................................................................3 - 81
4. Adjustment ..........................................................................................4 - 1
Removal of covers .............................................................................................4 - 2
Needle point damage .........................................................................................4 - 4
Timing belt tension .............................................................................................4 - 5
Motor belt tension ..............................................................................................4 - 6
Needle bar supporter stopper L position ............................................................4 - 8
Needle bar supporter stopper R position ...........................................................4 - 9
Needle swing timing .........................................................................................4 - 10
Three point needle drop ...................................................................................4 - 13
Left and right needle clearance .......................................................................4 - 14
Right needle drop position (zigzag stitch) ........................................................4 - 15
Needle drop position to presser foot hole (front/back) .....................................4 - 17
Inner rotary hook plate position .......................................................................4 - 18
Needle bar rising ..............................................................................................4 - 19
Needle bar height ............................................................................................4 - 21
Needle clearance .............................................................................................4 - 22
Left straight stitch needle drop and zigzag stitch maximum left needle drop position
.........4 - 23
Feed dog position (front/back and left/right) ....................................................4 - 25
Feed dog height ...............................................................................................4 - 26
Presser bar height ...........................................................................................4 - 27
Upper thread tension .......................................................................................4 - 28
SS pattern (triple stretch stitch) stitch length ...................................................4 - 29
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