Pfaff 3822-2/42, Instruction Manual, Page: 92 / 152

Adjustment
13 - 24
49-13c
1
7
4
2
3
49-062
3
5
0,8 mm
49-13b
6
0,3 mm
3
Fig. 13 - 22
13
.05.22
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 .