Balancing Needle Thread Tension
The needle thread and bobbin thread should interlock
in the center of two layers of the fabric in straight
seams.
Adjusting Bobbin Thread Tension
To tighten the bobbin thread tension, turn the adjusting
screw q clockwise.
To loosen the bobbin thread tension, turn the adjusting
screw counterclockwise.
q Adjusting screw
NOTE:
When adjusting the tension, turn the adjusting screw
slightly since the adjustment is sensitive.
Adjusting Needle Thread Tension
Needle thread tension is too tight:
If the bobbin thread r shows through on
the right side of the fabric q and it feels
bumpy, loosen the needle thread tension
by turning the dial to the left.
q Right side of the fabric
w Wrong side of the fabric
e Needle thread
r Bobbin thread
Needle thread tension is too loose:
If the needle thread e loops on the wrong
side of the fabric w, tighten the needle
thread tension by turning the dial to the
right.
q
r
w
q
34
q
w
e