White 766 - Adjusting Pressure and Feeding of Fabric; General Sewing

12
When
the
upper
and
under
tensions
are
properly
balanced,
a
perfect
stitch
will
be
formed
with.
both
threads
interlocking
in
fabric
(Fig.
15).
When
the
upper
tension
is
too
tight,
the
lower
thread
is
pulled
up
over
the
upper
thread
which
is
lying
flat
on
the
fabric
(Fig.
16).
i
When
the
upper
tension
is
too
loose,
the
upper
thread
forms
loops
over
the
lower
thread
lying
flat
on
the
fabric
(Fig.
17).
ADJUSTING
PRESSURE
Fig.
14
AND
FEEDING
OF
FABRIC
GENERAL
SEWING.
Usually
for
straight
sewing
and
zigzag
stitching,
the
pressure
bar
cap
or
darner
release
17,
Fig.
18,
is
at
its
lowest
position
and
the
drop
feed
knob
is
turned
to
“HI”
position,
Fig.
19.
_________________
Fig.
15
___
___
17
Fig.
16
_________
Fig.
17
___________________
Fig.
18
Fig.
19