5
4) Adjustment of thread tension...............................................................................................18
5) Adjustment of presser foot tension......................................................................................19
6) Adjustment of presser foot...................................................................................................19
7) Adjustment of main feed .....................................................................................................19
8) Adjustment of differential feed............................................................................................21
9) Needle Cooling Device and Oil Supply Device for Needle Thread .................................22
8. Adjustment of Sewing Machine .........................................................23
1) Adjustment of Needle Thread Tension ..............................................................................23
2) Adjustment of Top Cover Thread Tension..........................................................................24
3) Adjustment of the Looper Thread Tension .........................................................................24
4) Position of Looper Cam.......................................................................................................25
5) Removing Presser Foot and Amount of Presser Foot Lift .................................................25
6) Relation between Needle and Needle Plate ........................................................................26
7) Fixing Angle and Height of Looper ....................................................................................26
8) Movement of Looper to the Right.......................................................................................26
9) How to Use Timing Gauge ..................................................................................................27
10) Height of Needle Bar .........................................................................................................27
11) Longitudinal Position of Needle and Looper....................................................................27
12) Needle and Needle Guard(Rear) .......................................................................................28
13) Needle and Needle Guard(Front) ......................................................................................29
14) Height of Feed Dogs ..........................................................................................................29
15) Adjustment of needle and spreader ...................................................................................29
9. Automatic Thread Trimmer...............................................................31
1) Operation ..............................................................................................................................31
2) Wiring...................................................................................................................................33
3) Air pressure wiring map .....................................................................................................37
4) Installation of synchronizer sensor......................................................................................40
5) Adjustment of automatic thread trimmer ............................................................................41
6) Adjustment of thread tension release mechanism ..............................................................46
7) Adjustment of air wiper ......................................................................................................49
8) Presser foot lifter mechanism .............................................................................................50
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