Winding The Bobbin Thread, Adjusting The Thread Tension - Pfaff 521 Instruction Manual

Setting up
9

Winding the bobbin thread, adjusting the thread tension

.02
If the thread is wound unevenly:
9 - 2
4
_
1
3
Fig. 9 - 02
Place an empty bobbin 1 onto bobbin winder spindle 2.
Thread the bobbin in accordance with Fig. 9 - 02 and wind it clockwise around bobbin 1
a few times.
Switch on the bobbin winder by pressing the bobbin winder spindle 2 and lever 3 at the
same time.
The bobbin fills up while you are sewing.
The tension of the thread on bobbin 1 can be adjusted with knurled screw 4.
The bobbin winder stops automatically when bobbin 1 is full.
Loosen nut 5.
Turn thread guide 6 accordingly.
Tighten nut 5.
+
2
5
6