Setting up
9.03 Removing/insertingthebobbincase
1
2
Turn the machine off!
Removingthebobbincase.
●Lift clip1 and remove bobbin case2.
Insertingthebobbincase:
●Insert bobbin case1 until you feel it click into place.
9.04 Threadingthebobbincase,adjustingthethreadtension
9.04.01 PFAFF 938 without thread trimmer
1
m c
5
3
_
+
24
●Insert bobbin1 into bobbin case2.
●Guide the thread through the slot under spring3.
●Adjust the thread tension by turning screw4.
When the thread is pulled the bobbin1 must rotate in the direction of the arrow.
Fig. 9 - 04
9 - 3