Setting up

9.03 Removing/insertingthebobbincase

1

2

1Fig-04. 9 - 03

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