Preparation
9
Removing / Inserting the bobbin case
.03
9
Threading the bobbin case, adjusting the thread tension
.04
9
PFAFF 937 U without thread trimmer
.04.01
30
1
Fig. 9 - 03
1
2
Fig. 9 - 04
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.
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.
3
4
Switch off the machine!
Danger of injury due to uninten-
tional starting of the machine!
When the thread is pulled the
bobbin 1 must rotate in the
direction of the arrow.