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II
IIIIMIIII
I
III
ZIGZAG STITCHING
Pressure regulator
f
See page 14.
Presserfoot
Zigzagfoot
Stitch selector
Stitch length dial
Any setting but "0"
TOP VIEW
DESIRABLE
UNDESIRABLE
CHECKING
THREAD
TENSION
OF
ZIGZAG STITCHES
The easiest way to check tension is to sew a
medium zig zag stitch on the fabric you will
be using. °Use the appropriate
type of thread
and needle as recommended
on page 17.
Sew a line of zig zag stitches.
The bobbin
thread should
not show
on the top of the
fabric.
Adjust the top tension if necessary to achieve
the stitch indicated
at left side of illustration.
OVERCASTING
This
is one of the
more
frequently
used
zigzag
stitches
on
garment
construction:
You may want
to overcast
along
the raw
edge of each seam allowance or fold the raw
edge toward the garment and stitch.
Stitch
so the needle pierces the fabric
just
short of the outside edge, Raw or worn edges
of older garments can be overcast to prevent
further raveling,
28
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