Safety Precautions - MAC TOOLS MW165 Owner's Manual

The
following safety alert symbol and
signal words
are
used throughout this manual
to
call attention
to and identity
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.
AA
CAUTION
CAUTION
statements
identify procedures
or
practices
which
must
be followed
to avoid minor
personal
injury
or
damage
to
this equipment.
ARC WELDING SAFETY PRECAUTIONS
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 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.
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ARC RAYS
can
burn
eyes
and skin;
NOISE
can
damage hearing.
Arc rays from the welding
process
produce
intense
heat and
strong
ultraviolet rays that
can
burn
eyes
and skin. Noise from
some processes can
damage
hearing.
1.
2.
3.
4.
5.
Wear
a
welding helmet fitted with
a
proper shade of filter
(see
ANSI Z49. 1 listed in Safety Standards)
to protect your face and
eyes when welding
or
watching.
Wear
approved
safety
glasses.
Side shields recommended.
Use
protective
screens or
barriers to protect others from flash
and glare;
warn
others not to watch the
arc.
Wear protective clothing made from durable, flame.resistant
material (wool and leather) and foot
protection.
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.
\
I
Welding produces fumes and gases. Breathing
I
these fumes and gases
can
be hazardous
to
your
-.
I health.
i-
6.
wearing an
air-supplied respirator. Shielding
gases
used for
welding
can
displace
air
causing injury
or
death. Be
sure
the
breathing
air is safe.
Do
not
weld in locations
near
degreasing, cleaning,
or
spraying
1. Keep your head
out
of the fumes. Do
not
breath the fumes.
2. If inside, ventilate the
area
and/or
use
exhaust at the
arc
to
operations.
The heat and rays of the
arc can
react with
vapors
to
form
highly toxic and irritating
gases.
remove
welding fumes and gases.
7. Do not weld
on
coated metals, such
as
galvanized, lead,
or
3. If ventilation is poor,
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.
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
touchin9 the welding wire
are
electrically
live.
Incorrectly
installed
or
improperly
grounded equipment is
a
hazard.
5. Properly install and ground this equipment according
to its
Owners
Manual and national, state, and local codes.
6. Turn off all equipment when not in
use.
8.
9.
10.
7. Do
not
use
worn,
damaged, undersized,
or
poorly spliced
cables.
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.
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.
level.
12. Wear
a
safety harness
to prevent
falling if
working above floor
13. Keep all
panels
and
covers
securely
in
place.