Bobbin Winder - Pfaff 481 Service Manual

21

Bobbin winder

● Switch on the bobbin winder and adjust drive wheel 1 (screw 2) according to the
● Place a bobbin on the winder spindle, thread the machine for bobbin winding and switch
● To adjust the amount of thread wound shift regulating stud 3 (screw 4) according to the
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Requirement
When the bobbin winder is engaged, the winder spindle should be driven reliably; when
the bobbin winder is disengaged, however, drive wheel 1 must not contact friction wheel 5.
The bobbin winder should stop automatically when the thread wound on the bobbin
has reached a point about 1.0 mm below the bobbin rim.
2
1
requirement.
on the bobbin winder.
requirement.
5
3
4
1 mm