Pfaff 937 With Thread Trimmer -900 - Pfaff 937 Instruction Manual

Preparation
9

PFAFF 937 with thread trimmer -900/..

.04.02
9 - 4
1
3
_
4
+
Fig. 9 - 05
2
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.