Miller XMT 300 CC/TIG Panduan Pemilik - Halaman 3
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Halaman Cetak
ARC WELDING SAFETY PRECAUTIONS
ELECTRIC SHOCK
can
kill.
Touching
live electrical
parts
can
cause
fatal shocks
or
severe
burns.
The
electrode and work circuit is
electncally
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.
1.
Do
not
touch live electrical
parts.
2.
Wear
dry,
hole-free
insulating gloves
and
body protection.
3.
Insulate
yourself
from work and
ground using dry insulating
mats
or covers
big enough
to
prevent
any
physical
contact with
the work
or
ground.
4.
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).
5.
Properly
install and
ground
this
equipment according
to
its
Owners
Manual and
national, state,
and local codes.
6.
Always verify
the
supply ground
check and be
sure
that
input
power cord
ground
wire is
properly
connected
to
ground
ARC WELDING
can
be hazardous.
terminal
in
disconnect box
or
that cord
plug
is connected to
a
properly grounded
receptacle
outlet.
7.
When
making input
connections,
attach
proper
grounding
conductor first
double-check connections.
8.
Frequently
inspect input
power cord for
damage
or
bare
wiring
replace
cord
immediately
if
damaged
bare
wiring
can
kill.
9.
Turn off all
equipment
when
not
in
use.
10.
Do
not
use
worn,
damaged,
undersized,
or
poorly spliced
cables.
11.
Do
not
drape
cables
over
your
body.
12.
If
earth
grounding
of the
workpiece
is
required, ground
it
directly
with
a
separate
cable
do not
use
work
clamp
or
work cable.
13.
Do
not
touch electrode if you
are
in contact with the
work,
ground,
or
another electrode from
a
different machine.
14.
Use
only
well-maintained
equipment. Repair
or
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.
17.
Clamp
work
cable
with
good
metal-to-metal
contact
to
workpiece
or
worktable
as
near
the weld
as
practical.
A~
WARNING
PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. KEEP CHILDREN
AWAY. PACEMAKER WEARERS KEEP AWAY UNTIL CONSULTING YOUR DOCTOR.
In
welding,
as
in most
jobs,
exposure
to
cerLain hazards
occurs.
Welding
is safe when
precautions
are
taken. The
safety
information
given
below is
only
a
summary of
the
more
complete
safety
information that will be found in the
Safety
Standards listed
on
the
next
page. Read and follow
all
Safety
Standards.
HAVE ALL
INSTALLATION, OPERATION, MAINTENANCE,
AND REPAIR WORK PERFORMED ONLY BY
QUALIFIED PEOPLE.
15.
16.
ARC RAYS
can
burn eyes and
skin;
ARC RAYS
NOISE
can
damage
hearing;
FLYING
~
SLAG OR SPARKS
can
injure
eyes.
2.
Wear
a
welding
helmet fitted with
a
proper shade
of filter
to
protect
your face and eyes
when
welding
or
watching (see
ANSI
Arc
rays from
the
welding
process
produce
intense
Z49.1
and Z87.1 listed in
Safety
Standards).
visible and invisible
(ultraviolet
and
infrared)
rays that
can
bum
eyes
and skin. Noise from
some
processes
3.
Wear
approved safety glasses
with side shields.
can
damage hearing. Chipping, grinding,
and welds
4.
Use
protective
screens
or
barriers
to
protect
others from flash
cooling
throw oft
pieces
of metal
or
slag.
and
glare;
warn
others not to watch the
arc.
5.
Wear
protective
clothing
made from
durable,
flame-resistant
Use
approved
ear
plugs
or ear
muffs if noise level is
high.
material
(wool
and
leather)
and foot
protection.
I
FUMES AND GASES
can
be hazardous
5.
Work in
a
confined space
only
if it is well
ventilated,
or
while
to
your health.
wearing
an
air-supplied respirator. Always
have
a
trained
Welding produces
fumes and gases.
Breathing
watchperson nearby. Welding
fumes and gases
can
displace
these fumes and
gases
can
be hazardous
to
your
air
and lower the oxygen level
causing injury
or
death. Be
sure
health.
the
breathing
air is safe.
6.
Do not weld in locations
near
degreasing, cleaning,
or
spraying
Keep
your head
out
of the fumes. Do
not breathe
the fumes.
operations.
The heat and rays of the
arc can
react with
vapors
to
inside,
ventilate
the
area
and/or
use
exhaust
at
the
arc
to
form
highly
toxic and
irritating
gases.
remove
welding
fumes and gases.
7.
Do
not
weld
on
coated
metals,
such
as
galvanized,
lead,
or
ventilation is poor,
use
an
approved air-supplied respirator.
cadmium
plated
steel,
unless the
coating
is removed from the
Read the Material
Safety
Data Sheets
(MSDSs)
and the
weld area, the
area
is well
ventilated,
and if
necessary, while
manufacturers
instruction for
metals, consumables,
coatings,
wearing
an
air-supplied
respirator.
The
coatings
and
any
metals
cleaners, and
degreasers.
containing
these elements
can
give
off toxic fumes if welded.
,
CYLINDERS
can
explode
if
damaged.
4.
Never
drape
a
welding
torch
over a
gas
cylinder.
Shielding
gas
cylinders
contain gas under
high
5.
Never allow
a
welding
electrode
to
touch any
cylinder.
~
pressure. If
damaged,
a
cylinder
can
explode.
Since
6.
Never weld
on
a
pressurized cylinder
explosion
will result.
J~~~
gas
cylind:rs
are
~
~ef~Iyfhe
welding
7.
Use
onlycorrectshielding
gas
cylinders, regulators,
hoses,
and
fittings designed
for
the
specific
application;
maintain them and
associated
parts
in
good
condition.
Protect
compressed
gas
cylinders
from
excessive
heat,
8.
Turn face away from valve outlet when
opening cylinder
valve.
mechanical
shocks,
slag,
open
flames,
sparks,
and
arcs.
9.
Keep protective
cap in
place
over
valve
except
when
cylinder
is
Install
cylinders
in
an
upright position by securing
to
a
stationary
in
use
or
connected for
use.
support
or
cylinder
rack
to
prevent falling
or
tipping.
10.
Read and follow instructions
on
compressed
gas
cylinders,
Keep
cylinders
away from any
welding
or
other electrical
associatedequipment,andCGApublicationP-1 listedinSafety
circuits.
Standards.
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