Pfaff 937

Preparation
9 - 3
104
Removing the bobbin case.
● Lift clip 1 and remove bobbin case 2.
Inserting the bobbin case:
● Insert bobbin case 1 until you feel it click
into place.
9.03 Removing/inserting the bobbin case
1
2
9.04 Threading the bobbin case, adjusting the thread tension
9.04.01 PFAFF 937 without thread trimmer -900/..
● Insert bobbin 1 into bobbin case 2.
● Guide the thread through the slot under
spring 3.
● Adjust the thread tension by turning
screw 4.
When the thread is pulled the
bobbin 1 must rotate in the
direction of the arrow.
Turn the machine off!
Fig. 9 - 03
1
2
3
_
+
4
5 cm
Fig. 9 - 04