Table of Contents
Advertisement
7. Standard adjustments of the sewing machine .......................................... 21
1) Needle used ........................................................................................................................ 21
2) Installation of needle .......................................................................................................... 21
3) Threading ............................................................................................................................ 22
4) Adjustment of thread tension ............................................................................................. 22
5) Adjustment of presser foot tension .................................................................................... 23
6) Adjustment of presser foot position .................................................................................. 23
7) Adjustment of stitch length ............................................................................................... 23
8) Adjustment of differential feed .......................................................................................... 25
9) Lubricating device of needle thread and needle cooling device ....................................... 26
8. Fine-tuning of the sewing machine ................................................................... 27
1) Adjustment of needle thread tension ................................................................................. 27
2) Adjustment of looper thread tension ................................................................................. 28
3) Adjustment of needle and spreader ................................................................................... 28
4) Adjustment of needle and looper timing ........................................................................... 30
9. Automatic Thread Trimmer................................................................................... 33
1) Operation ............................................................................................................................. 33
2) Wiring.................................................................................................................................. 35
3) Air pressure wiring map .................................................................................................... 40
4) Installation of synchronizer sensor..................................................................................... 43
5) Adjustment of automatic thread trimmer ........................................................................... 44
6) Adjustment of thread tension release mechanism ............................................................. 51
7) Adjustment of air wiper ..................................................................................................... 54
8) Presser foot lifter mechanism ............................................................................................ 55
9) ST-C device ......................................................................................................................... 56
5
Advertisement
Table of Contents
