Pfaff 3822-1/32 - Adjustment of the Bobbin Opener

13 - 26
Adjustment
13.05.24 Adjustment of the bobbin opener
Requirement
1. The distance between the finger of the bobbin opener 3 and the edge of the bobbin
case base 5 must be 0.8 mm.
2. When the bobbin opener 3 is at its left point of reversal, the bobbin case base 5 should
be deflected by approx. 0.3 mm by the retaining finger and screw 1 should be resting
on stop pin 7.
● Loosen screw 1 and loosen screw 2 so that the bobbin opener 3 is still held slightly.
● Adjust bobbin opener 3 according to requirement 1.
● Tighten screw 2.
● Adjust retaining collar 4 according to requirement 2.
● Tighten screw 1.
49-13c
1
7
4
2
3
49-062
3
5
0,8 mm
49-13b
6
0,3 mm
3
Fig. 13 - 25