Arc Welding Safety Precautions - MAC TOOLS MW13O Owner's Manual

The
following safety alert symbol and signal
words
are
used
throughout this manual to call attention
to
and identify
different levels of hazard and
special instructions.
a
WARNING
WARNING statements
identify procedures
or
practices which must be
followed
to avoid serious personal
injury
or
loss of life
-________________________
a
CAUTION
CAUTION statements identify procedures
or
practices which
must
be followed
to
avoid minor personal
injury
or
damage to this equipment.
~ IMPORTANT:
statements
identify special instructions necessary for the
most
efficient
operation
of this
equipment.
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
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.
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.
4.
Disconnect
input
power or
stop
engine before
installing
or
servicing this equipment.
5. Properly
install and
ground this equipment according
to
its
Owners Manual and national,
state, and local codes.
Turn off all
equipment
when
not in
use.
Do
not
use worn,
damaged, undersized,
or
poorly spliced
cables.
Do
not wrap cables around your body.
Ground the
workpiece to
a
good electrical (earth) ground.
Do not touch electrode while in contact with the work
(ground)
circuit.
11. Use only well-maintained equipment. Repair
or
replace
damaged parts at
once.
12. Wear
a
safety harness to
prevent
falling if
working above floor
level.
13. Keep all
panels
and
covers
securely
in
place.
a
WARNING
ARC WELDING
can
be hazardous.
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
certain hazards
occurs.
Welding is safe when precautions
are
taken. The
safety
information given below is only
a summary
of the
more
complete safety informatic that will be found
in the
Safety
Standards listed
on
the
next
page.
Read and follow all Safety Standards.
HAVE
ALL INSTALLATION, OPERATION, MAINTENANCE, ~D REPAIR WORK PERFORMED ONLY
BY
QUALIFIED PEOPLE.
6.
7.
8.
9.
10.
.
ARC RAYS
can
burn
eyes
and
skin;
1. Wear
a
welding helmet fitted with
a
proper shade of filter
(see
NOISE
can
damage hearing.
ANSI Z49.
1
listed in Safety
Standards) to
protect
your face and
eyes
when welding
or
watching.
Arc rays from the welding
process
produce intense
2. Wear approved safety glasses. Side shields recommended.
heat
and strong
ultraviolet rays that
can
burn
eyes 3. Use protective
screens or
barriers
to protect
others from flash
and skin. Noise from
some processes can
damage
and
glare;
warn
ethers not to watch the
arc.
hearing.
4.
Wear protective clothing made from durable, flame-resistant
material (wool and leather) and foot
protection.
5. Use approved
ear
plugs
or ear
muffs if noise level is
high.
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.
Shielding
gases
used for
Welding producesfumesand
gases.
Breathingthese
welding
can
displace
air causing injury or
death. Be
sure
the
fumes and gases
can
be hazardous
to
your health.
breathing air is safe.
6. Do not weld in locations
near
degreasing. cleaning,
or
spraying
I
Keep
your
head out of the fumes. Do
not
breath the fumes,
operations. The heat and rays of the
arc can
react with vapors to
form highly toxic and irritating
gases.
2.
If
inside,
ventilate the
area
and/or
use
exhaust at the
arc
to
remove
welding fumes and gases. 7.
Do
not weld
on
coated metals, such
as
galvanized, lead,
or
3.
If ventilation is
coor, use an
approved air-supplied respirator.
cadmium plated steel, unless the coating is removed from the
4.
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
and cleaners, containing these elements
can
give off toxic fumes if welded.