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The needle thread and bobbin thread should interlock
in the center of two layers of the fabric in straight
seams.
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.
q
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
q
w
w
e
r
Balancing Needle Thread Tension
Adjusting Bobbin Thread Tension
Adjusting Needle Thread Tension
