Bobbin-Thread Retaining Spring - Pfaff 1425 Instruction Manual

11

Bobbin-thread retaining spring

.06.06
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.
Fig. 11 - 34
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.
4
1
Adjustment
3
2
11 - 37