Adjustment
2 - 7
Fig. 2 - 06
2
3
1
0.1 mm
4
2
.10
Bobbin-thread retaining spring
Requirement
Retaining spring
1
must
1. not be deflected during the thread catcher movement,
2. reliably retain bobbin thread
4
after cutting, and
3. not hinder removal and replacment of the bobbin case.
●
Set thread trimmer at its resting position.
●
Position retaining spring
1 (
screws
2)
so that the retaining lips are as close as possible to
the inside wall and to the front edge of thread catcher
3
.
●
Bend retaining spring
1
to set its height so that there is a clearance of about
0.1 mm
between top side of retaining spring
1
and thread catcher
3
.