Preparation
9 - 3
9
.04
Threading the bobbin case / Adjusting the bobbin thread tension
●
Insert the bobbin into the case
1
.
●
Pass the thread through the slot under
spring
2
.
●
Pass the thread through the notch.
●
Adjust the thread tension by turning
screw
3
.
When the thread is pulled, the
bobbin must rotate in the
direction of the arrow.
2
3
-
+
1
5 cm
Fig. 9 - 03
Fig. 9 - 04
1
2
9
.03
Removing / Inserting the bobbin case
Removing the bobbin case:
●
Open the bed plate slide.
●
Raise latch
1
and remove bobbin case
2
.
Inserting the bobbin case:
●
Insert bobbin case
2
.
●
Close the latch
1
and close the bed plate
slide.
Turn the machine off!
Summary of Contents for 1421E1
Page 113: ...Notice...