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3.
Thread
Tension
Chart
,e
tension
for
each
of
the
thread
tension
dials
should
be
.fferent
according
to
the
pattern
stitches
as
in
the
chart
‘Dove.
3ince
the
figures
in
the
chart
are
for
average
strength
of
nread
tension,
it
may
be
necessary
to
adjust
the
thread
.ension slightly.
rhread
tensions
will
differ
according
to
the
kind
of
fabric
.mnd
the
thread.
The
differential
feed
ratio
is
normally
‘N”.
(See
P16)
THREAD
Left
Needle
Right
Needle
Upper
Lower
TENSiON
Looper
Loope
‘j3l
‘f3l
I
3
STITCH
CUTTING
STITCH
PTT;:NN
LENGTH
WIDTH
FINGER
STITCHES
L
..
NORMAL
OVERLOOK
4
4
4
4
2.5-5
mm
5-6
mm
:
POSITION
PULL
LEVER
ROLLED
EDGE
—
4
4
8
1-1.5
mm
5-6
mm
TOWARD
YOU
PULL
LEVER
NARROW
EDGE
—
4
4
4
1-1.5
mm
5-6
mm
TOWARD
YOU
—12--