White SUPERLOCK 634D User manual

INSTRUCTION
BOOK
BUPEFILDCK
634D
W
H
I
TE
Sewing
machine
company

POLARIZED
PLUG
CAUTION
To
reduce
the
risk
of
electric
shock,
this
appliance
has
a
polarized
plug
(one
blade
is
wider
than
the
other).
This
plug
will fit in
a
polarized
outlet
only
one
way.
if
the
plug
does
not
fit
fully
in
the
outlet,
reverse
the
plug.
If
it
still
does
not
fit,
contact
a
qualified
electrician
to
install
the
proper
outFet
Uo
not
change
the
plug
in
any
way.
Record
in
space
provided
below
the
Serial
No.
and
Model
No.
of
this
appliance.
I
The
Serial
No.
is
located
Rear
of
arm.
The
Model
No.
is
located
Rear
of
arm.
Serial
No.
____________________________
Model
No.
634
0
Retain
these
numbers
for
future
reference.

IMPORTANT
SAFETY
INSTRUCTIONS
When
using an
electrical
appliance, basic
safety
precautions
should
always
be
followed,
including
the
following:
Read
all
instructions
before
using
(this
appliance).
DANGER
—To
reduce
the
risk
of
electric
shock:
An
appliance
should never be
left
unattended
when
plugged
in.
Always
unplug
this
appliance
from
the
electric
outlet
immediately after using
and
before
cleaning.
electric. shock,..
or injwy*tc.
persons:
1
Do
not
allow
to
be
used
as
a
toy.
Close
attention
is
necessary
when this
appliance
is
used
by
or
near
children.
2
Use
this
appliance
only
for
its
intended
use
as
described
in
this
manual.
Use
only
attachments
recommended
by
the
manufacturer
as
contained
in
this
manual,
3.
Never
operate
this
appliance
if
it
has
a
damaged
cord
or
plug,
if
it
is
not
working
properly
if it
has
been
dropped
or
damaged,
or
dropped
into
water.
Return
the
appliance
to
the
nearest
authorized
dealer
or
service
center
for
examination,
repai
electrical
or
mechanical
adjustment.
4.
Never
operate
the appliance
with
any
air
openings
blocked,
Keep
ventilation
open
ings
of
the
sewing
machine
and
foot
controller
free
from
the
accumulation
of
int,
dust,
and loose
cloth.
5.
Never
drop
or
insert
any
object
into
any
opening.
aerosol
(spray)
products
are
being
used
or
where
oxygen
is
8.
bni:
rn
all
controls
to
the
off
(“0”)
position,
then
remove
plug
from
outlet.
9.
Do
not
unplug
by
pulling
on
cord.
To
unplug,
grasp
the
plug, not
the
cord.
DANGER
1.
Always
unplug before relamping.
Replace
bulb
with
same
type
rated
15
watts.
2.
Do
not
reach
for
an
appliance
that
has
fallen
into
water.
Unplug immediately.
3.
Do
not
place
or
store
appliance
where
it
can
fall
or be
pulled
into
a
tub
or
sink.
Do
not
place
in
or
drop
into
water
or
other
liquid.

WARNING
1.
Keep
fingers
away
from
all
moving
parts.
Special
care
is
required
around
the
sewing
machine
needle.
2.
Always
use
the
proper
needle
plate.
The
wrong
plate
can
cause
the needle
to
break.
3.
Do
not
use
bent
needles.
4.
Do
not
pull
or
push
fabric
while
stitching.
It
may
deflect
the
needle
causing
it
to
break.
5.
Switch
the
sewing
machine
off
(
0”) when making
any
adjustments
in
the
needle
area,
such
as
threading
needle,
changing
needle,
or
changing
presser
foot,
etc.
6.
Always
unplug
sewing
machine
from
the
electrical
outlet
when
removing
covers,
lubricating,
or
when
making
any
other
user
servicing
adjustments
mentioned
in
the
instruction manual.
7.
Never
operate
on
a
soft
surface
such
as
abed
or
couch
where
the
air
openings
SAVE
THESE
INSTRUCTIONS

CONTENTS
1,
NAMES
OF
PARTS
1
2.
OPERATION
AND
FUNCTION
OF
PARTS
2
3.
PREPARATION
FOR
SEWING
4
3-1.
Connecting
Power
Cord
4
3-2.
Setting
Telescopic
Thread
Stand
5
3-3.
Changing
Threads
5
3-4.
Replacing
Needle
6
3-5.
Threading
7
4
F-UR
THREADQVERLOcksTiTCH
USING
2
NEEDLES
10
4-i.
Bcforc
Sewing
10
4-2.
Setting
the
Fabric
10
4-3.
Beginning
and
Ending
of
Sewing
10
4-4.
Adjustment
of
the
Presser
Foot
Pressure
11
4-5.
Thread
Tension
Chart
12
4-6.
Thread
Tension
Adjustment
13
5.
ADJUSTING
BALANCE
OF
STITCH
WIDTH
AND
CUTTING
WIDTH
15
6.
STITCH LENGTH
ADJUSTMENT
15
7.
DIFFERENTIAL
FEED
16
8.
CORDED
OVERLOCK
17
9.
SEWING
FOR
CURVED
SEAMS
17
10,
THREE THREAD
OVERLOCK STITCH
USING
1
NEEDLE
18
11.
ROLLED EDGE
19
12.
PIN
TUCKS
20
13.
REPLACING
LOWER
CUTTER
21
14.
CHANGING
LIGHT BULB
21
15.
LUBRICATION
21
16.
ACCESSORIES
23
17.
TABLE
OF
SEWING
MATERIALS,
NEEDLES
AND
THREADS 24
18.
PROBLEM
SOLVING
25
19.
SPECIFICATIONS
26
20.
OPTIONAL
ACCESSORY
PRESSER
FEET
27

1.
NAMES
OF
PARTS
1. Spool
pin
2.
Thread take up
lever cover
3.
Pressure
regulator screw
4. Thread
tension
support
5.
Telescopic
thread stand
6. Thread
tension
dials
7.
Tension
release
lever
8.
Differential
feed
dial
9. Stitch length
dial
10.
Presser foot
lifter
11.
Cutting
width adjusting
dial
12.
Presser
foot
13. Upper
cutter
14.
Front cover
15.
Cutter cover
16.
Front
panel
17.
Handwheel
(Right
side of
machine)
18.
Stitch
finger
knob
19.
Stitch finger
I-
Needle plate
—1—

2.
OPERATION
AND
FUNCTION
OF
PARTS
Handwheel
+
Always
turn
handwheel
toward you.
Changing
Presser
Foot
Switch
off the
machine.
1.
Raise
presser
foot.
2.
Raise
needles
to
their
highest
position
by
turning
handwheel
toward
you.
3.
Push
red
button
A
and
foot
will
come
off.
4.
Position
the
new
foot
with
the
pin
right
under
the
groove
of
the
ankle.
Lower
presser
foot
lifter so that holder
catches
the
presser
toot.
Opening
Front
Cover
To
open
front cover,
push
part B
of
cutter
cover
to
right
and
pull
it
down
toward
you.
Closing
Front
Cover
Push
part
B
and
close
it.
+
Always
close
front
cover when
sewing.
—2--

Stitch
Finger
Knob
(Conversion
from
overlock
to
rolled
edge)
+
Raise
needle
to
the
highest
position
by
turning
handwheeItoward
you.
For
Overlock:
Push stitch finger
knob to
align
it with
the
rear red
line
©
on
needle
plate.
For
Rolled
Edge:
Pull
stitch finger
knob
toward
you
to
align
it
with
front
red
line
t
on
needle
plate
Stitch
finger
knob
Needle
plate
,,,,,,,,
Presser
Foot
Lifter
Raise
the
presser
foot
lifter to
lift up
the
presser
foot.
Presser
foot
lifter
stops
at
position
A.
When
replacing
presser
foot
or
sewing
very
thick
materials,
presser
foot
lifter can
be
lifted
up
one
more step
to
obtain
wider gap.
Disengaging
Upper
Cutter
For
ease
in
threading,
push
the
upper cutter
holder
screw
from
A
side
with
the
forefinger
of
your
left
hand
+
and
grasp
the
right
end
of
the
holder
C,
and
turn
it in
the
direction
of
arrow
B
with
your
right
hand.
+ Since
the
upper
cutter
is
sharp.
care
should
be
taken when
moving
this
part.
Be
sure
to
put
cutter
back
down
before sewing.
foot
foot
8
cutter
—3—

3.
PREPARATION
FOR
SEWING
3-1.
ConneCting
Power
Cord
Connect
foot
control
and
power cord
®
Before
plugging
in
your
machine,
be
sure
that
the
voltage
is
same
as
that
of
your
machine.
(written
on
a
plate
at
back
of
machrne).
±
Specifications
vary
from
country
to
country.
Press
the
switch
on
the
machine
to
turn
on
the
power
and
the
sewing
light.
±
Always
switch
off
or
unplug
machine
when
not
in
use.
The
more
you
press
the
foot
control,
the faster
the
machine
runs.
When
the
power
switch
is
turned
off,
the machine
will
not
operate
even
by
pressure
on
the
foot
control.
÷
DO
NOT
put
anything
on
foot
control.
—4--

3-2.
Setting
Telescopic
Thread Stand
Extend
the telescopic
thread
stand
to
its
full
height,
then
turn
it
until
the shaft
clicks
into
its
locked
position.
3-3.
Changing
Threads
The
machine
is
supplied
with
thread
but
iiiy
I
au •.y
(1)
Cut
the
thread
in
use
near
the cone
spool
(behind
the
telescopic
thread
stand).
Place the
new
thread
on
the
spindle and
tie
it
to
the
end
of
the
original
thread.
(2)
Raise
the
presser
foot
lifter
to
lift up
the
presser
foot.
(3)
Press
down
the tension
release
lever
so
that
the
thread
knot
can
pass
through
smoothly, draw
out
the
looper
thread
until
the
thread
knot
comes
to
about
10
cm
past
the
presser
foot.
(4)
When
changing
the
needle thread,
cut
off
the thread
knot
before
it
reaches
the
eye
of
the
needle
to
avoid
bending the
needle
as
the
knot
is
pulled
and
caught
in
the
needle’s
eye.
—5—