Miller XMT 304 Panduan Pemilik - Halaman 5
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Halaman Cetak
SECTION 1
-
SAFETY PRECAUTIONS
-
READ BEFORE USING
1-1.
Symbol Usage
som
_nd_7/02
a
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.
U~
Means
Wote;
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.
ELECTRIC SHOCK
can
kill.
~
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
OSHA
29 CFR 1910.147
(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
property
connected to
grDund
terminal in
disconnect box
or
that cord
plug
is connected
to
a
properly
grounded receptacle
outlet.
When
making input
connections,
attach proper
grounding
conduc
tor first
double-check connections.
Frequently
inspect input
power cord for
damage
or
bare
wiring
replace
cord
immediately
if
damaged
bare
wiring
can
kill.
Turn off all
equipment
when
not in
use.
Do
not
use
worn,
damaged,
undersized,
or
poorly spliced
cables.
Do
not
drape
cables
over
your
body.
This group of
symbols
means
Waming!
Watch Out!
possible
ELECTRIC
SHOCK,
MOVING
PARTS,
and I-lOT PARTS hazards.
Consult
symbols
and related instructions below for necessary actions
to
avoid
the hazards.
If earth
grounding
of the
workpiece
is
required, ground
it
directly
with
a
separate
cable.
Do
not
touch electrode If you
are
in
contact
with the
work,
ground,
or
another electrode from
a
different machine.
Use
only
well-maintained
equipment Repair
or
replace damaged
parts
at
once.
Maintain unit
according
to
manual.
Wear
a
safety
hamess 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.
Do
not connect
more
than
one
electrode
or
work cable
to
any
single
weld
output
terminal.
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.
I
r-~~~
~.
FUMES AND GASES
can
be hazardous.
I(~12
L..._
\Q
Welding
produces
fumes
and
gases.
Breathing
fl
y
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 breath
ing
air is safe.
Do not weld in locations
near
degreasing, deaning,
or
spraying
op
erations. The heat and
rays
of the
arc
can
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
off toxic fumes if welded.
OM-193 084
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