1. Adjusting the needle-to-hook relation
.....................................................................................................
66
2. Adjusting the needle thread trimmer
.......................................................................................................
68
3. Adjusting the presser bar pressure
...........................................................................................................
69
4. Adjusting the bobbin presser unit
............................................................................................................
69
5. Thread tension
.........................................................................................................................................
70
6. Replacing the fuse
...................................................................................................................................
71
VII. Standard Parts
.....................................................................................................................................................
72
1. Cloth cutting knife
...................................................................................................................................
72
2. Throat plate
..............................................................................................................................................
72
3. Presser
......................................................................................................................................................
72
IX. Trouble and Corrective Measures
......................................................................................................................
79
X. Table of Initial Value Data for Each Shape
........................................................................................................
81