Brother International LK3-B431 MKII Instruction Manual - Page 4

DANGER, CAUTION, Environmental, requirements, Installation

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2. Notes on safety A DANGER a, Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the face plate of the control box. Touching areas where high voltages are present can result in severe injury. A CAUTION Environmental requirements 0 Use the sewing machine in an area which is free from sources of strong electrical noise such as highfrequency welders. Sources of strong electrical noise may cause prob- 0 The ambient temperature should be within the range of 5°C to 35°C during use. Temperatures which are lower or higher than this may cause problems with correct operation. 0 lems with correct operation. Any fluctuations in the power supply voltage should be within ±10% of the rated voltage for the machine. Voltage fluctuations which are greater than this may cause problems with correct operation. 0 The relative humidity should be within the range of 45% to 85% during use, and no dew formation should occur in any devices. Excessively dry or humid environments and dew formation may cause problems with correct operation. The power supply capacity should be greater than the requirements for the sewing machine's electrical consumption. 0 Avoid exposure to direct sunlight during use. Exposure to direct sunlight may cause problems with correct operation. Insufficient power supply capacity may cause problems with correct operation. 0 In the event of an electrical storm, turn off the power and disconnect the power cord from the wall outlet. Lightning may cause problems with correct operation. Installation Machine installation should only be carried out by a qualified technician. 0 All cords should be secured at least 25 mm away from any moving parts. Furthermore, do not excessively 0 Contact your Brother dealer or a qualified electrician for any electrical work that may need to be done. bend the cords or secure them too firmly with staples, otherwise there is the danger that fire or electric shocks could occur. 0 The sewing machine weighs more than 47 kg. The installation should be carried out by two or more people. 0 Install the belt covers to the machine head and motor. Do not connect the power cord until installation is complete, otherwise the machine may operate if the foot switch is pressed by mistake, which could result 0 If using a work table which has casters, the casters should be secured in such a way so that they cannot in injury. move. A Hold the machine head with both hands when tilting it back or returning it to its original position. Furthmore, after tilring back the machine head, do not push the face plate side or the pulley side from above, as this could cause the machine head to topple over, which may result in personal injury or damage to the machine. Be sire to connect the ground. If the ground connection is not secure, you run a high risk of receiving a serious electric shock, and problems with correct operation may also occur. Be sure to wear protective goggles and gloves when handling the lubricating oil and grease, so that they do not get into your eyes or onto your skin, otherwise inflammation can result. Furthermore, do not drink the oil or eat the grease under any circumstances, as they can cause vomiting and diarrhoea. Keep the oil out of the reach of children. LK3-8430E-, B431E-, B432E-, 8433E- Mark II

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2.
Notes
on
safety
A
DANGER
a,
Wait
at
least
5
minutes
after
turning
off
the
power
switch
and
disconnecting
the
power
cord
from
the
wall
outlet before
opening
the
face
plate
of
the
control
box.
Touching
areas
where
high
voltages
are
present
can
result
in
severe
injury.
A
CAUTION
Environmental
requirements
0
0
Use
the
sewing
machine
in
an
area
which
is
free
from
sources
of
strong
electrical
noise
such
as
high
-
frequency
welders.
Sources
of
strong
electrical
noise
may
cause
prob-
lems
with
correct
operation.
Any
fluctuations
in
the
power
supply
voltage
should
be
within
±10%
of
the
rated
voltage
for
the
machine.
Voltage
fluctuations which
are
greater
than
this
may
cause
problems
with
correct
operation.
The
power
supply
capacity
should
be
greater
than
the
requirements
for
the
sewing
machine's
electrical
consumption.
Insufficient
power
supply
capacity
may
cause
prob-
lems
with
correct
operation.
0
0
0
0
The
ambient
temperature
should
be
within
the
range
of
5°C
to
35°C
during
use.
Temperatures
which
are
lower
or
higher
than
this
may
cause
problems
with
correct
operation.
The
relative
humidity
should
be
within
the
range
of
45%
to
85%
during
use,
and
no
dew
formation
should
occur
in
any
devices.
Excessively
dry
or
humid
environments
and
dew
for-
mation
may
cause
problems
with
correct
operation.
Avoid
exposure
to
direct
sunlight
during
use.
Exposure
to
direct
sunlight
may
cause
problems
with
correct
operation.
In
the
event
of
an
electrical
storm,
turn
off
the
power
and
disconnect
the
power
cord
from
the
wall
outlet.
Lightning
may
cause
problems
with
correct
operation.
Installation
0
0
A
Machine
installation
should
only
be
carried
out
by
a
qualified
technician.
Contact
your
Brother
dealer
or
a
qualified
electrician
for
any
electrical
work
that
may
need
to
be
done.
The
sewing
machine
weighs
more
than
47
kg.
The
installation
should
be
carried
out
by
two
or
more
people.
Do
not
connect
the
power
cord
until
installation
is
complete,
otherwise
the
machine
may
operate
if
the
foot
switch
is
pressed
by
mistake,
which
could
result
in
injury.
Hold
the
machine
head
with
both
hands
when
tilting
it
back
or
returning
it
to
its
original
position.
Furthmore,
after
tilring
back
the
machine
head,
do
not
push
the
face
plate
side
or
the
pulley
side
from
above,
as
this
could
cause
the
machine
head
to
topple
over,
which
may
result
in
personal
injury
or
damage
to
the
machine.
Be
sire
to
connect
the
ground.
If
the
ground
connec-
tion
is
not
secure,
you
run
a
high
risk
of
receiving
a
serious
electric
shock,
and
problems
with
correct
operation
may
also
occur.
0
0
0
All
cords
should
be
secured
at
least
25
mm
away
from
any
moving
parts.
Furthermore,
do
not
excessively
bend
the
cords
or
secure
them
too
firmly
with
staples,
otherwise
there
is
the
danger
that
fire
or
electric
shocks
could
occur.
Install
the
belt
covers
to
the
machine
head
and
motor.
If
using
a
work
table
which
has
casters,
the
casters
should
be
secured
in
such
a
way
so
that
they
cannot
move.
Be
sure
to
wear
protective
goggles
and
gloves
when
handling
the
lubricating
oil
and
grease,
so
that
they
do
not
get
into
your
eyes
or
onto
your
skin,
otherwise
in-
flammation
can
result.
Furthermore,
do
not
drink
the
oil
or
eat
the
grease
un-
der
any
circumstances,
as
they
can
cause
vomiting
and
diarrhoea.
Keep
the
oil
out
of
the
reach
of
children.
LK3-8430E-,
B431E-, B432E-,
8433E-
Mark
II