4
Adjustment
Preparation Removal of covers ...............................4 - 2
Inspection
Needle point damage...............................4 - 4
Timing belt tension ...............................4 - 5
Inner rotary hook plate position ..........4 - 18
Presser bar height ..............................4 - 27
Upper thread tension..........................4 - 28
BH sewing length ...............................4 - 39
Bobbin winder ....................................4 - 41
4 - 1