Adjustment
13.06.10 Bobbin thread trapping spring
Requirement
1.Bobbin thread trapping spring 3 must not be deflected by thread catcher 4 in any phase.
2.After the trimming action the bobbin thread must be securely trapped.
3.It must be possible to insert and remove the bobbin from the hook without any hindrance.
4
3
1
2
Fig. 11 - 27
4
3
●
13 - 29