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THREAD
TENSION:
STRAIGHT STITCHING
"Balance" isthe key
to handsome,
durable straight
stitching
o
Decrease tension Increase tension
CHECKING FOR CORRECT TENSION OF
THREAD
The good looking appearance of your straight stitching is
mainly determined by the balanced tension of the top thread
and bobbin thread. The tension is well balanced when the
two threads lock m the middfe of the layers of fabric when
straight stitching.
You can achieve balanced tension by regulating the Top
Thread Tension Control (17). if the upper thread appears to
be too tight, dial left (lower numbers) to decrease tension.
If the upper thread is too loose, dial right (higher numbers}
to increase tension.
STRAIGHT STITCHING
TOP STITCH
TOO TIGHT
TOP STITCH
TOO LOOSE
STRAIGHT STITCH
JUST RIGHT
THREAD
TENSION:
ZIGZAG STITCHING
CHECKING FOR GOOD LOOKING ZIGZAG STITCHES
Always practice stitching on two layers of the fabr=c
you will be using.
Make sure that you are using the right size and type
of needle for the fabric. See chart page 11,
Choose a thread of good quality and type for your
fabric. See chart page 11.
Remember -- the wider the zigzag setting, the more
chance for puckering. Reduce the top tension, if
puckering occurs,
The top thread will be visible on the bottom to
varying degrees depending on the thread, fabric,
type of stitch being used and speed of sewing.
The bobbin thread should never be visible on the
top of the fabric,
BOBBIN TENSION
The bobbin tension has been correctly set at the factory, so you do not need to
adjust it.