Miller ADI 253 Руководство по эксплуатации - Страница 5

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1.
Safety
Precautions
Read Before
Using
111
SymbOl Usage
4A
Means
Warning!
Watch
Out!
There
are
possible
hazards with this
procedure!
The
possible
hazards
are
shown in the
adjoining symbols.
A
Marks
a
special safety
message.
~
Means
Note;
not
safety
related.
1 2
Arc
Welding
Hazards
A
The
symbols
shown below
are
used
throughout
this manual
to
call attention
to
and
identify possible
hazards. When you
see
the
symbol,
watch
out,
and follow the related instructions
to
avoid the hazard. The
safety
information
given
below is
only
a
summary of the
more
complete
safety
information
found in the
Safety
Standards listed
in
Section
1.4. Read and
follow all
Safety
Standards.
A Only qualified
persons should
install, operate, maintain,
and
repair
this unit.
A During operation, keep everybody, especially
children,
away.
Touching
live
electrical
parts
can
cause
fatal
shocks
or
severe
bums. The electrode and work
circuit is
electrically
live whenever the
output
is
on.
The
input
power circuit and
machine internal
circuits
are
also
live when power is
on.
In semiautomatic
or
automatic wire
welding,
the
wire,
wire
reel,
drive roll
housing,
and all
metal
parts
touching
the
welding
wire
are
electrically
live.
Incorrectly
installed
or
improperly grounded
equipment
is
a
hazard.
Do not touch live electrical
parts.
Wear
dry,
hole-free
insulating gloves
and
body protection.
Insulate
yourself
from work and
ground using dry insulating
mats
or covers
big enough
to
prevent
any
physical
contact with the
work
or
ground.
Do
not
use
AC
output
in
damp
areas, if movement
is
confined,
or
if
there is
a
danger
of
falling.
Use AC
output
ONLY if
required
for the
welding
process.
If AC
output
is
required,
use
remote
output
control if
present
on
unit.
Disconnect
input
power
or
stop
engine
before
installing
or
servicing
this
equipment. Lockout/tagout input
power
according
to
OSFIA
29 CFR 191 0.147
(see Safety Standards).
Properly
install and
ground
this
equipment according
to
its
Owners
Manual and
national,
state,
and local codes.
Always verify
the
supply ground
check and be
sure
that
input
power cord
ground
wire is
properly
connected to
ground
terminal
in
disconnect box
or
that cord
plug
is connected to
a
properiy
grounded receptacle
outlet.
When
making
input
connections,
attach
proper
grounding
conductor
first
double-check connections.
Frequently inspect input
power cord for
damage
or
bare
wiring
replace
cord
immediately
if
damaged
bare
wiring
can
kill.
Turn oft all
equipment
when not in
use.
Do
not
use
worn,
damaged,
undersized,
or
pooriy spliced
cables.
This group of
symbols
means
Warning!
Watch Out!
possible
ELECTRIC
SHOCK,
MOVING
PARTS,
and
HOT PARTS
hazards.
Consult
symbols
and related instructions below for
necessary
actions to avoid the hazards.
Do not
drape
cables
over
your
body.
If earth
grounding
of the
workpiece
is
required,
ground
it
directly
with
a
separate
cable
do not
use
work
clamp
or
work cable.
Do not touch electrode if you
are
in contact
with the
work,
ground,
or
another electrode from
a
difterent machine.
Use
only
well-maintained
equipment. Repairor replace damaged
parts
at
once.
Maintain unit
according
to
manual.
Wear
a
safety
harness if
working
above
floor level.
Keep
all
panels
and
covers
securely
in
place.
Clamp
work cable with
good
metal-to-metal contact
to
workpiece
or
worktable
as near
the weld
as
practical.
Insulate work
clamp
when not connected to
workpiece
to
prevent
contact with any metal
object.
SIGNIFICANT
DC VOLTAGE exists after removal of
input
power
on
inverters.
Turn Off
inverter,
disconnect
input
power, and
discharge
input
capacitors according
to
instructions in Maintenance Section
before
touching
any
parts.
FUMES ANDGASES
can
be hazardous.
Welding
produces
fumes and gases.
Breathing
these
fumes and gases
can
be hazardous
to
your
health.
Keep
your head out of the fumes. Do
not
breathe the fumes.
If
inside,
ventilate the
area
and/or
use
exhaust at the
arc
to
remove
welding
fumes and
gases.
If ventilation is poor,
use
an
approved air-supplied respirator.
Read the
Material
Safety
Data Sheets
(MSDSs)
and
the
manufacturers
instructions for
metals, consumables,
coatings,
cleaners,
and
degreasers.
Work in
a
confined space
only
if it is
well
ventilated,
or
while
wearing
an
air-supplied respirator. Always
have
a
trained watch-
person
nearby. Welding
fumes and gases
can
displace
air and
lower the oxygen level
causing injury
or
death. Be
sure
the
breathing
air is safe.
Do not weld in locations
near
degreasing, cleaning,
or
spraying
operations.
The heat and rays of the
arc
cart
react with vapors to
form
highly
toxic and
irritating
gases.
Do not weld
on
coated
metals,
such
as
galvanized,
lead,
or
cadmium
plated
steel,
unless the
coating
is removed from the
weld area, the
area
is well
ventilated,
and if necessary, while
wearing
an
air-supplied respirator.
The
coatings
and any metals
containing
these elements
can
give
oft toxic fumes if welded.
OM-2217
-
Date,
safety_corn
4197
ELECTRIC SHOCK
can
kill.
OM-221
7
1