Adjustment Of Bobbin Winding; Adjustment Of Bobbin Winder Stop - Pfaff ambition essential 1.0 Service Manual

28. Adjustment of bobbin winding

Check
When winding up the lower thread onto the bobbin the machine should wind even.
Adjustment
1. Place empty bobbin on spindle.
2. While winding , observe the shape of bobbin winding:
- When the lower part of bobbin winding has more thread turn the screw (b) of threader guide
counterclockwise.
- When the upper part of bobbin has more thread, turn the screw (a) of threader guide clockwise.
2

29. Adjustment of bobbin winder stop

Check
When winding up the lower thread onto the bobbin the machine should stop when there is a min. of 1 mm
between the edge of the bobbin and the thread.
Adjustment
When winding up the lower thread onto the bobbin the machine should stop when there is a min. of 1 mm
between the edge of the bobbin and the thread. (3)
If bobbin is over 0 mm between the edge of the bobbin and the thread, adjust by
turning the screw (c) of bobbin winder bracket shaft counter-clockwise.
38
Settings
b
3
104 73 15-26
c