Singer 1640 Manuale utente
INSTRUCTION
MANUAL
FOR
SEWING
MACHINE
FREE-ARM
MODEL
1640
INDEX
Section
1.
FEATURES
AND
PARTS
Front
View
2
Rear
View
3
Convertible
Extension
Plate
4
Attaching
Extension
Plate
4
Electrical
Equipment
5
Sewing
Light
5
Accessories
6
Section
2.
BASIC
INFORMATION
Needle.
Thread
and
Fabric
Chart
7
Changing
Presser
Foot
8
Changing Needle
8
Removing
Needle
Plate
9
Removing Bobbin
Case
9
Section
3.
THREADING
MACHINE
Winding
Bobbin
10
Threading
Bobbin
Case
11
Inserting
Bobbin
Case
11
Threading
Upper Thread
12
Bringing
Up
Lower
Thread
13
Twin
Needle
Upper
Threading
and
Sewing
13
Rewinding
Bobbin
When
Machine
Is
Threaded
14
Section
4.
CONTROLS
Checking Tension
of
Upper
Thread
15
Checking
Tension of
Lower
Thread
16
Feed
Cover
17
Adjusting
Pressure
For
Regular
Sewing
17
Adjusting
Pressure
For
Embroidery,
Darning
and
Sewing
on
Buttons
.
17
Stitch
Length
18
Reverse
Stitching
18
Section
5.
SEWING
Preparing
To
Sew
Stitching
Tips
Keeping
Stitching
Straight
Pin
Basting
Straight and
Zigzag
Sewing
Stretch
and Decorative
Stitches
Instructions
For
Sewing
On
Stretch
Materials
21
Multiple
Zigzag
Stitch
21
Scallop
Stitch
Double
Overlock
Stitch
21
Satin
Stitch
22
Triple
Seam
Stitch and
Rickrack
Stitch Stretchable
Blindstitch
.
.
.
22
Smocking
Stitch,
Overcast
Stitch
Box
Stitch
22A
Super
Stitches
(Swan,
Tlip,
Dog)
22A
Section
6.
FINISHES
Buttonholes
Blindstitching
(Hems)
Sewing
on
Buttons
Adjustable
Cording
and
Zipper
Foot
Cloth
Guide
Quilting
Guide
Section
7.
CARE
AND
MAINTENANCE
Cleaning
Shuttle
Hook
and
Race
.
Oiling
23
24
25
26
26
26
27
.
27,28
Section
8.
PROBLEMS AND
PROBABLE
CAUSES 29
19
19A
20
20
20
—1A—
FEATURES
AND
PARTS
Section
1
FRONT
VIEW
6
1.
Face
Plate
2.
Thread
TakeUp
Lever
3.
Pattern
Panel
4,
Stitch
Selector
Dial
5.
Stitch
Width
Dial
6
Stitch
Length
Dial
&
Reverse
Push
Button
7.
Handle
On
Top
Cover
Hook
Cover
Thread
Tension
Dial
Tension
Check Spring
Thread
Guide
(G)
Needle
Bar
Thread Guide
Presser
Foot
Thumb
Screw
Presser
Foot
Needle
Plate
8.
9.
10.
11.
12.
13.
14.
15.
—2—
16.
Hand
Wheel
17.
Stop
Motion
Knob
18.
Cover
Plate
19.
Bobbin Holders
20
Bobbin
Winder
21.
Spool
Pin
22.
Top
Plate
23.
Thread
Guide
and
Bobbin
Winder
Thread
Tension
24.
Patch-O-Matic Darner
Sew
Light
Switch
Presser
Foot
Lifter
Extension
Plate
Free
Arm
Steel
Plate
Needle
Clamp
Screw
Thread
Cutter
Section
1
I
REAR
VIEW
2021
24
1
18
5
19
—
31
29
25.
26.
27.
28.
29.
30.
31.
—3—
Section
1
CONVERTIBLE
EXTENSION
PLATE
The
built-in,
snap-up
extension
plate
quickly
converts
the
sewing
platform
from
free
arm
to
flatbed.
Attach
ing
the
Extension
Plate
For
ordinary
sewing,
the extension
plate
will
make
your
work
easier.
Carefully
place
the
extension
plate
on
the
free
arm,
levelling
the
plate
with
the
free
arm, inserting
pins
on
plate
into corresponding
holes on
base
of
arm.
Fg
1
A
—4.--
Section
1
he
ELECTRICAL
EQUIPMENT
Plug
foot
pedal
cord into
your
wall
outlet,
and
connector
to
terminal
box
on
machine
as
shown
in
Fig.
2A
CAUTION:
When
not
in
use,
please
be
sure
to
disconnect
the
cord
plug
from
electrical
outlet.
SEWING
LIGHT
Sewing
light
is
located
directly
over
the
needle
so
as
to
better
illuminate stitching
area.
Turn
sew
light
switch on
and
off
behind
face
plate.
To
replace
bulb,
turn
light
off,
and
open
face
plate.
Unscrew
bulb
as
you do
a
conventional
light
bulb.
Place
new
bulb
in
socket
and
screw
in
place.
(Fig.
2)
CAUTION:
Please
be
sure
to
disconnect
the
cord
plug
from
electrical
outlet
before
replacing
bulb.
Fig.
2
—5—
Section
1
ACCESSORI
ES
1.
Plastic Oiler
(sealed and
filled)
2.
Package
of
Needles
(5
straight
needles and
1
twin
needle)
3.
Large
Screw
Driver
4.
Small
Screw
Driver
5.
Quilting
Guide
6.
Cloth Guide
with
Thumb
Screw
Button
Sewing
Foot
Buttonhole
Foot
(on
machine)
Zipper
Foot
Felt
Washers
(2)
for
spool
pins
Bobbins
(3)
Zigzag
Foot
(on
machine)
Seam
Ripper
Feed
Cover
E
WWc
IACHINE
iffPLES
a
I
7
7.
8.
9.
10.
11.
12.
13.
14.
—6—
The
needle
and
thread
you choose
depends
upon
the
fabric
you
are
stitching.
The
correct
needle
size
is
important to
avoid damaging
the
fibers of
light
weight
or
tightly
woven
fabrics
and
to
prevent
needle
breakage
when
stitching
heavy
or
stiff
fabrics.
Needle
size
Thread
Fabric
•
polyester chiffon,
fine
silk,
tricot,
lingerie
9
•
cotton
covered
polyester
fabrics,
sheer
lace,
net,
voile,
fine
•
fine
mercerized
cotton
(70-100) organdy
•
silk
A
•
polyester
light
weight
knits
and
jersey,
silk,
1
1
•
cotton
covered
polyester
batiste,
taffeta,
satin,
lace,
crepe
light
•
mercerized
cotton
(50-60)
•
silk
A
•
polyester
double knits,
linen,
poplin,
gingham,
14
•
cotton
covered
polyester
pique,
seersucker,
velveteen,
light
medium
•
mercerized
cotton
(50)
weight wools,
fine
corduroy
•
silk
A
•
polyester
heavy
wools,
corduroy,
felt,
16
•
cotton
covered
polyester
terrycloth,
canvas,
upholstery,
h
•
heavy
duty
mercerized
(40)
and
drapery
fabrics
eavy
•
silk
D
(buttonhold
twist
for
topstitching)
Use
only style
15
x
1
(European equivalent
705>
on
this machine.
This
style
or
system
is
the
most
commonly
used
on
household
sewing
machines.
•
Always
use
same
type
and
size
of
thread
in
both
needle
and
bobbin.
•
Always
use
a
sharp
needle.
A
blunt
point
can
cause
skipped
stitches
or
snag
the
fabric.
Chemical finishes
and
man-made
fibers
blunt
the
needle
faster.
•
Never use
a
bent
needle.
•
If
your
machine
is
skipping
stitches,
replace
the
needle
before
looking
for
trouble
elsewhere.
Special
Needles
with
blue shaft
or
ballpoint
are
particularly
designed
to
sew
knits
and
stretch
fabrics.
Such
special
needles
can
prevent
sewing
from
skipping
stitches
and
damaging
stretch
fabrics.
Available
in
size
9,
11,
14
and
16.
NEEDLE,
THREAD
AND
FABRIC
CHART
—7—
Section
2
CHANGING
PRESSER
FOOT
Raise
needle
to
its
highest
position
by
turning
hand
wheel
toward
you.
Raise
presser
foot
by
lifting Presser
Foot
Lifter
located
on
back
of
machine.
Loosen
thumb
screw
and
remove
foot.
Place
grooved
side
of
selected
presser
foot
against presser
bar.
Tighten
screw
securely with
screwdriver.
Do
not
operate
machine
with
presser
foot
lowered
unless
fabric
is
between
presser
foot
and
fabric
feed.
CHANGING
NEEDLE
Raise
needle
to
its
highest
position
by
turning
hand
wheel
toward
you.
Loosen Needle
Clamp
Screw
and
remove
needle.
Place
new
needle
so
its
flat
side
faces
back.
Push
up
into
needle
clamp
as
far
as
possible.
Tighten
screw
with
a
screwdriver.
Turn
hand
wheel
toward
you
ona
com
plete
rotation
to
be
sure
needle
is
correctly positioned.
Fg
3A
Fig
3
B
—8—
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