24 – GETTING READY TO SEW
Needle
thread
Turning tension dial to a higher number gives a tighter thread tension. Turning ten-
sion dial to a lower number gives a looser thread tension.
Test each thread tension on a scrap of the fabric you plan to use.
Two-thread use
Decrease needle thread tension
Increase needle thread tension
Four-thread use
Upper looper thread
Right needle thread
Upper looper thread
pulled to top side
Increase Upper looper thread tension
and/or decrease lower looper tension
Lower looper thread
pulled to top side
Increase lower looper thread tension
and/or decrease upper looper tension
Top side
Underside
Fig.2
Fig.1
Fig.3
Just right
Upper looper thread
Right needle thread
Lower
looper
thread
Top side
Underside
Upper looper thread
Right needle thread
Top side
Underside
Just right
Lower looper
thread
Top side
Needle
thread
Underside
Fig.2
Fig.1
Fig.3
Fig.4
Fig.5
Left needle thread loose and visible on
under side of fabric.
Increase left needle thread tension and/or
decrease either or both looper threads.
Right needle thread loose and visible
on under side of fabric.
Increase right needle thread tension.
Upper looper thread
Left needle thread
Lower looper
thread
Top side
Underside
Upper looper thread
Right needle
thread
Left needle
thread
Top side
Underside
Lower looper thread
pulled to underside
Needle thread pulled
to top side
Top side
Underside
Top side
Underside
Lower looper
thread
Right needle
thread
Adjusting thread tensions
Lower looper
thread
Lower looper
thread
Needle
thread
Increase tension
Decrease tension
Left needle thread
Lower
looper
thread
Left needle thread
Left needle thread