MAC TOOLS MW165 - Safety Precautions

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.
/~
-~~
-
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
manufacturers
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
Owners
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.