Pfaff 938 - Centering Needle in Needle Hole (Sewing Direction); Adjustment Procedure

Index
Contents ..................................................................................Page
1.06 Adjusting the underedge trimmer -771//05 ......................................................................... 40
1.06.01 Resting position of the knife ............................................................................................... 40
1.06.02 Knife height ......................................................................................................................... 41
1.06.03 Positioning of the knife ........................................................................................................ 42
1.06.04 Knife drive switch ................................................................................................................. 43
1.06.05 Workpiece guard .................................................................................................................. 44
1.07 Adjusting the thread trimmer -900/24 ................................................................................. 45
1.07.01 Axial position of the control cam ........................................................................................ 45
1.07.02 Preliminary adjustment of the control cam .......................................................................... 46
1.07.03 Position of the thread catcher and cutting test .................................................................... 47
1.07.04 Readjustment of the control cam ....................................................................................... 48
1.07.05 Needle thread tension release ............................................................................................ 49
2 Circuit diagrams ................................................................................................................. 50