White 734 - Threading the Bobbin Case; Placing the Bobbin Case in Shuttle; Understanding Your Sewing Machine; Stitch Length Control and Selection

THREADING
BOBBIN
CASE
1. Hold
bobbin
case
between
thumb
and
forefinger
of
left
hand,
so
that
the
slot
in
the
edge
of
the
bobbin
case
is
on
top.
Take
the
bobbin
between
thumb
and
forefinger
of
right
hand
so
that
the
thread
on
top
leads
from
left
to
right.
2.
Insert
bobbin
into
bobbin
case,
pull
the
thread
into
the
slot
of
the
bobbin
case
and
draw
it
under
tension
spring
and
into
the
fork•shaped
opening
of
the
spring.
PLACING
BOBBIN
CASE
IN
SHUTTLE
Raise
needle
bar
to
its
highest
position,
and
swing
open
the
access
cover
down.
Hold
the
bobbin
case
latch
ID) between
the
thumb
and
forefinger
of
the
left
hand,
with
at
least
three
inches
of
thread
running
from
the
top
of
the
bobbin
case
to
the
right,
Insert
and
center
the
bobbin
case
on
the
stud
of
the
shuttle
body
(C).
Be
sure
the
bobbin
case
finger
(E),
is
opposite
the
shuttle
race
notch
(A).
Press
the
bobbin
case
(8) into
the
shuttle
as
far
as
possible
until
the
latch
catches
on
the
center
post
of
the
shuttle.
Then
release
the
bobbin
case
latch
(D).
Press
the
bobbin
case
again
after
the
latch
has
been
released
to
make
sure
the
bobbin
case
is
locked
securely
in
place.
Close
the
access
cover.
14
SELECTION
OF
STITCH:
STITCH
LENGTH
CONTROL
The
stitch
length
control
controls
tht
forward
feeding
of
the
fabric
in
ordinar
sewing.
At
0,
the
fabric
is
not
fed
at
all
With
the
control
around
the
symbol
fl
fot
buttonhole,
the
shortest
stitch
is
available
At
5 is
the
longest
—
about
6 stitches
pet
inch
on
ordinary
fabrics
—
but
the
control
may
be
set
at
any
desired
cpot
between
0
and
5 for
a
variety
of
length,
except
when
stretch
stitching
(triple
back
Wand-
forth
stitching),
the
control
is
automatically
set
at
the
relative
due
position
by
turning
the
Stretch
Stitch
Control
at
‘STRETCH
STITCH”
position.
Turn
the
control
to
the
right
to
lengthen
and
to
the
left
to
shorten
the
stitch.
The
stitch
length
number
you
choose
is
indicated
by
the
pointer
above
the
control.
The
stitch
length
in
stietch
stitching
(triple
reinforced
stitching)
is
fixed
about
3/64
inch,
on
most
kinds
of
fabrics
with
the
stretch
stitch
control
at
“STRETCH
STITCH”,
When
you
wish
to
sew
backward
to
tie
the
threads
at the
beginning
or
end
of
a
seam
in
ordinary
sewing,
press
the
Reverse
Button
in
as
far
as it
will
go,
so
that
your
machine
sews
in
reverse
at
approximately
the
same
stitch
length
as forward
stitch
length.
The
machine
will
sew
backward
as
long
as
the
button
is held
in.
Cross
reference
table
between
numeral
on
the
control
and
number
of
actual
stitches
per
inch
SECTION
lii
GETTING
TO
KNOW
YOUR
MACHINE
Slot
Slot
Tension
Spring
REVERSE
BUTTON
Numeral
on
the
control
Number
of
stitches
per
Inch
(approx.)
0
1
2
3
4
No
Feeding
30
25
15
8
6
15