Pfaff 939 U - Removing;Inserting the Bobbin Case; Threading the Bobbin Case, Adjusting the Thread Tension

9 - 3
Setting up
11 04
Fig. 9 - 03
1
2
92-055
2
1
4
3
Fig. 9 - 04
_
+
5 cm
+
_
9.03 Removing/inserting the bobbin case
Switch off the machine!
Danger of injury if the machine
is started accidentally!
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.
9.04 Threading the bobbin case, adjusting the thread tension
● Insert bobbin 1 into bobbin case 2.
● Pass the thread through the gap under
spring 3 and through the hole in bobbin
case 2.
● Adjust the thread tension by turning
screw 4.
When the thread is pulled the
bobbin 1 must rotate in the
direction of the arrow.