Bobbin t ension r equires adjusting less f requently than theupper thread tension.
If thestitchis satisfactory but theseam is puckered, it maybenecessary
to
loosen t hetension o nboththetopandbottom threads.. Be sure tobalance them
asindicated onPage 9 .
When adjusting the tension on the bobbin case, make slight adjustments
with a
screwdriver.
Turn
Counter-
Clockwise
I i',!C R EASE
TENSION
Turn
Clockwise