SINGER 725 Owner's manual

Category
Sewing machines
Type
Owner's manual
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TABLE
OF
CONTENTS
Knowing
Your
Sewing
Machine
ldentyfying
parts
Converting
to
Free-arm
Sewing
Bobbin
Threading-Top
Thread
Using
the
Controls
Garment
Construction
Stitches
Straight
Stitching
Zig
zag
Stitching
Stretch
And
Decorative
Stitches
Instruction
For
Sewing
On
Stretch
3-Step
Zigzag
Stitch
Blindstitching
Stretchable
Blind
Stitch
Straight
Stretch
Stitching
Rickrack
Stitch
Smocking
Stretch
Stitch.
Serging
Or
Pine
Leaf
Stretch
Stitching.
Overcast
Stitch
Buttonholes
2,3
4
5,6,7
8
Top
Tension
Control
Bobbin
Tension
Adjusting.
Checking
Tensions
Reverse
Stitch
Control
Pressure
Regulator
Darning
Plate
Sewing
Light
Seam
Guide
Presser
Foot
Lever
Accessories
Needles
Needles
Needle,
Thread,
Fabric
Chart.
Presser
Feet
Starting
to
Sew
.9.10
11
12
13
14
15
15
16
16
17
17
18
19
20
21
21
Material
1
21
22
23
24
24
25
25
25
26
26
Special
Finsi
Special
Finish
Stitches
Blind
Hemming
27
Satin
Stitching
28
Appliqueing
28
Button
Sewing,
Bar
Tacking
29
Mending,
Darning
30
Zipper
Application
31
Free
Arm
Sewing
32
Special
Stitches,
Guidance
On
Use
33,34
Checking
Performance
Problem
35,36
Caring
For
The
Machine
Cleaning
Feed
Dogs
And
Shuttle
37
Oiling
in
Face
Cover
Plate
38
la
Knowing
Your
Sewing
Machine
FRONT
VIEW
1
10
9
.
6
—_L
5—
1324
16
-_-__—---—
13
.—--
14
15
17
18
1.
Needle
Plate
2.
Feed
Dogs
3.
Presser
Foot
Screw
4.
Seam
Guide
Lines
5.
Thread
Guide
6.
Needle
Clamp
Screw
7.
Face
Cover
Thread
Guide
8.
Top
Thread
Tension
Control
9.
Front
Thread
Guide
10.
Thread
TakeUp
Lever
11.
Top
Thread
Guide
12.
Stitch
Selector
13.
Length
Stitch
Dial
14.
Light
Switch
15.
Extension
Table
16.
Leg
17.
Shuttle
Cover
18.
Free
Arm
BACK
VIEW
2122
19.
Clutch
Knob
20.
Hand
Wheel
21.
Bobbin
Winder
22.
Thread
Spool
Pins
23.
Presser
Regulatnr
24
fr_
26
27
24.
Face
Cover
Plate
25.
Presser
Foot
Lever
26.
Thread
Cutter
27.
Presser
Foot
28.
Nomenclature
Plate
2O—.
19
3
ii
CONVERTING
TO
FREE-ARM
SEWING
(Fig.
1)
(Fig.
2)
1.
Remove
the
table
from
the
machine
by
pulling
the
base
tO
the
left.
(Fig1,
2)
2.
To
replace
the
table,
simply
slide
it
along
the
tree
arm
to
its
original
position
(Fig.
1)
1
Ii
4
1.
Remove
the
table
from
the
machine
by
pulling
the
base
to
the
left.
2.
Turn
hand
wheel
to
raise
the
needle
to
its
highest
position.
Open
shuttle
cover.
3.
Pull
open
latch
of
bobbin
case
using
your
left
hand.
4.
Pull
bobbin
case
straight
out
of
shuttle.
See
page
6
for
winding
of
bobbin.
See
page
7
for
replacement
of
bobbin
in
case.
—=
REMOVING
BOBBIN
CASE
FROM
SHUTTLE
0
a
Latch
0
4-
5
WINDING
THE
BOBBIN
0
_1_:
1
Release
clutch
by
turning
clutch
knob
toward
you.
2.
Draw
thread
from
spool
through
bobbin
winder
tension
discs
as
shown.
3,
Pull
end
of
thread
through
hole
in
Oobbsn
as
shown
4.
Place
bobbin
onto
shaft
with
end
of
from
the
top
of
Push
bobbin
winder
latch
against
bobbin
until
it
clicks
Holding
onto
end
of
thread,
start
machine.
When
bobbin
is
slightly
filled,
snip
off
end
of
thread.
5.
Start
machine.
Wind
thread
univ
bobbin
winder
latch
releases.
6.
Tighten
clutch
knob
and
remove
bobbin.
0
0
t:’
/
0
0
0
bobbin
winder
thread
coming
the
bobbin.
Two
spool
pins
have
been
ncudeO
Nih
rhs
macrune
to
aid
in
bobbin
windinO
BY
diaciiii
.1
spooi
ot
thread
on
he
second
sporu
pin
you
nay
wnd
your
bobbin
witnout
untnraai’q
n
macn
ne.
6
THREADING
THE
BOBBIN
CASE
INSERTING
BOBBIN
INTO
BOBBIN
CASE
......
CASE
INTO
SHUTTLE
0
0
0
0
0
1.
Insert
bobbin
into
bobbin
case
making
sure
thread
is
coming
from
bobbin
as
shown.
2.
Pull
thread
through
slot
of
case
as
shown.
3.
Pull
thread
under
tension
spring.
4.
Turn
hand
wrieel
to
raise
needle
to
its
highest
position.
Holding
latch
open,
position
case
into
shuttle,
and
release
latch.
Case
should
lock
into
place
when
latch
is
released.
5.
Hold
needle
thread
loosely
in
left
hand
and
rotate
hand
wheel
toward
you
one
complete
turn.
Bring
bob
bin
thread
up
by
pulling
upper
thread,
7
THREADING
OF
TOP
THREAD
Y*L
..
Fi?
3
rig
1.
Place
thread
on
spool
pin
as
shown,
with
the
thread
coming
from
the
back
of
the
spool
(Fig
1—
1
).
Draw
thread
through
the
top
thread
guide
(Fig
1—2&
3).
2.
Holding
the
spool
with
the
right
hand,
pull
the
thread
through
the
tension
discs.
The
spring
wire
loop
should
be
pulled
up
until
the
thread
passes
beyond
the
beak
of
the
hooK.
Fig.
2.
3.
After
the
thread
has
slipoed
into
the
hook.
allow
the
spring
wire
to
return
to
position
by
releasing
the
threac
soool.
Fig.
3.
4.
Continue
threading
trwough
the
front
thread
guide.
take-up
lever,
and
down
through
path
shown
in
Fig.
.i
and
5.
8
5.
Always
thread
needle
in
direction
as
shown
in
Fig.
5
/
CONTROLS
TOP
TENSION
CONTROL
Probably
the
most
important
control
on
your
machine
is
this
one
that
regulates
your
top
thread
tension.
It
consists
of
discs
between
which
the
thread
passes.
The
pressure
on
these
discs
is
regulated
by
turning
the
dial
on
the
front
of
the
control.
The
higher
the
number,
the
tighter
the
tension.
There
are
many
reasons
for
having
to
reset
your
tension.
The
best
tension
for
one
fabric
may
not
be
correct
for
another.
The
required
tension
depends
uoon
the
stiffness
of
the
fabric,
thick
ness
of
the
fabric,
numbers
of
layers
of
fabric
being
sewn,
as
weU
as
the
type
of
stitch
you
are
making.
It
s
best
to
test
the
stitching
on
a
scrap
of
the
fabric
you
are
using
betore
starting
to
make
a
garment.
To
adlust
for
the
correct
stitcn
see
next
page.
9
ADJUSTING
TOP
TENSION
A
perfect
Stitch
wiH
nave
threads
ocked
between
the
rwo
layers
o
fabric
with
rio
oops
on
top
or
nottom,
0
PROBLEM
REMEDY
Upper
thread
too
tight
oi
--
Upper
thread
too
loose
0
.
Decrease
Tension
Increase
Tension
10
ADJUSTING
BOBBIN
TENSIONS
Bobbin
tension
requires
adjusting
less
frequently
than
the
upper
thread
tension.
If
the
stitch
is
satisfactory
but
the
seam
is
puckered,
it
may
be
necessary
to
loosen
the
tension
on
both
the
top
and
bottom
threads.
Be
sure
to
balance
them
as
indicated
on
Page
10.
When
adjusting
the
tension
on
the
bobbin
case,
make
slight
adjustments
with
a
screwdriver.
DECREASE
TENSION
Turn
Counter
Clockwise
Turn
Clockwise
11
INCREASE
TENSION
CHECKING
TENSiONS
The
easiest
way
to
check
tensions
is
to
sew
a
medium
zigzag
stitch
on
the
fabric
you
will
be
using.
Use
the
appropriate
type
of
thread
and
needle,
Use
different
colors
of
thread
on
the
bobbin
and
upper
spool.
Sew
a
me
of
zigzag
stitches.
The
bobbin
thread
should
not
show
on
the
top
of
the
fabric.
Adjust
the
top
tension
if
necessary
to
achieve
the
Stitch
balance
mentioned
above.
UNBALANCED
BALANCED
I
I
12
REVERSE
S11TCH
CONTROL
It
is
best
to
begin
and
end
seams
with
a
few
stitches
taken
in
reverse.
This
is
called
back
tacking.
Back
tacking
fastens
the
end
of
the
seams
firmly
and
prevents
ravehng.
When
reverse
stitching
is
needed,
simply
press
and
hold
the
control
down.during
sewing.
The
fabric
wil[
immediately
start
feeding
backward
and
seam
will
be
fastened.
Reverse
Stitch
Control
13
OTHER
ADJUSTMENTS
OF
MACHINE
IN
SEWING
In
addition
to
the
obvious
controls
of
your
machine
there
are
other
small
regulators
and
controls
to
aid
you
in
using
your
sewing
machine.
PRESSER
FOOT
PRESSURE
REGULATOR
Push
down
outer
ring
of
presser
foot
pressure
regulator
(See
above
illustration).
This
will
release
pressure
of
presser
foot.
To
increase
pressure,
push
down
inner
pin
until
suitable
pressure
is
obtained.
For
ordinary
sewing,
the
inner
pin
should
be
all
the
way
down.
Insufficient
pressure
may
cause
poor
feeding
of
the
fabric,
skipped
stitches,
or
difficulty
in
guiding
the
fabric.
When
sewing
multiple
thickness
or
heavy
fabric
reduce
the
pressure.
Increase
pressure
when
sewing
lighter
weight
fabrics,
If
feed
dog
or
presser
foot
marks
appear
on
the
fabric,
reduce
the
pressure.
14
Fig.
3
DARNING
PLATE
When
you
need
to
feed
the
fabric
by
hand
as
in
darning,
or
sewing
on
buttons,
attach
the
darning
plate
over
the
needle
plate
as
shown
in
Fig.
1.
Be
sure
you
have
the
needle
raised
to
its
highest
position
when
doing
this.
SEWING
LIGHT
The
light
switch
shown
in
Fig.
2
Provides
the
electric
current
for
the
light.
To
turn
on
or
off
the
light,
depress
the
switch.
The
sewing
light
is
located
inside
the
face
cover
plate
as
shown
in
Fig.
3
To
replace
the
bulb,
swing
the
face
cover
plate
open.
Remove
the
bulb
by
turning
bulb
counter
clockwise.
Remove
bulb
from
socket
and
replace
with
new
bulb,
turn
clockwise
until
bulb
fits
snug.
Do
not
exert
strong
pressure
on
bulb
or
the
glass
may
break
causing
injury.
15
SEAM
GUIDES
Seam
Guides
are
marked
on
either
side
of
the
needle
plate
to
aid
you
in
guiding
your
fabric.
PRESSER
FOOT
LEVER
To
aid
you
in
the
placement
of
heavy
fabrics
under
the
presser
foot,
the
presser
foot
lever
can
raise
the
foot
beyond
the
normal
UP”
position.
This
is
also
an
aid
in
crianging
your
presser
feet.
ti
16
NEEDLES
The
size
of
the
needle
should
confQrm
with
the
size
or
the
thread
and
both
should
be
suitable
to
the
fabric
(See
next
page).
Never
use
a
bent
or
blunt
needle.
Fig.
1
shows
you
the
exact
length
of
your
needle.
Be
sure
you
never
use
one
in
your
machine
that
is
not
this
exact
length.
You
will
find
among
your
accessories
3P
needle
with
blue
shank.
This
special
needle
s
to
be
used
when
sewing
certain
knits
and
certain
difficult
synthetic
fabrics.
If
you
experience
skipped
stitcres
in
any
of
your
sewing,
use
SP
needle.
PLACEMENT
OF
NEEDLE
Raise
needle
bar
to
its
highest
position
by
turning
the
hand
wheel
toward
you.
Loosen
the
needle
clamp
screw.
Holding
the
needle
with
the
flat
side
away
from
you,
slip
the
needle
into
the
needle
bar.
When
it
is
in
as
far
as
it
will
go.
tighten
the
needle
clamp
screw
with
a
screwdriver.
Fig.
1
Flat
side
away
from
you.
17
NEEDLE,
THREAD,
AND
FABRIC
CHART
[_THREAD
SIZE
NEEDLE
FABRIC
Cotton
80-100
Chiffon.
Fine
Silks.
Synthetic
9
Silk
A
Nylon
Tricot,
Power
net
Cotton
80-100
Batiste,
Dimity,
Organdy.
Light
Synthetic
1
1
weight
Velvet
and
Taffeta,
Fine
Silk
A
Lace.
Light
weight
Knits,
Satin.
Cotton,
Cotton
Blends.
Poplin.
Cotton
60-80
Percale,
Gingham,
Shantung,
Pique.
Synthetic
14
Seersucker,
Velveteen,
Double
Knits,
Mercerized
50-60
Light
weight
Wool,
Linen,
Leather,
Fake
Furs,
Vinyls.
Cotton
40-60
Heavy
Cotton
such
as
Corduroy,
Mercerized
50
1
6
Denim,
Decorator
Fabrics,
Wool
Mercerized
heavy
duty
Coating
and
Suiting.
Cotton
30-50
.
1
8
Heavy
Twills.
Denims,
Coatings.
Mercerized
heavy
duty
18
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SINGER 725 Owner's manual

Category
Sewing machines
Type
Owner's manual

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