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operations on metals that are
galvanized or cadmium plated, or
contain zinc, mercury, or beryllium
without completing the following
precautions:
a. Remove the coating from the
base metal.
b. Make sure that the welding area
is well ventilated.
c. Use an air-supplied respirator.
Extremely toxic fumes are created
when these metals are heated.
The
electro-
magnetic field that is
generated during arc
welding may interfere with
the operation of various electrical and
electronic devices such as cardiac
pacemakers. Persons using such devices
should consult with their physician
prior to performing any electric arc
welding operations.
● Route the electrode and work
cables together and secure with
tape when possible.
● Never wrap arc welder cables
around the body.
● Always position the electrode and
ground leads so that they are on
the same side of the body.
● Exposure to electromagnetic fields
during welding may have other
health effects which are not known.
Always be sure
that the welding
area is secure and free of hazards
(sparks, flames, glowing metal or slag)
prior to leaving. Be sure that
equipment is turned off and electrode
is removed. Be sure that cables are
loosely coiled and out of the way. Be
sure that all metal and slag has cooled.
ADDITIONAL SAFETY STANDARDS
ANSI Standard Z49.1 from American
Welding Society, 550 N.W. LeJune Rd.
Miami, FL 33126
Safety and Health Standards
OSHA 29 CFR 1910, from
Superintendent of Documents, U.S.
Government Printing Office,
Washington, D.C. 20402
National Electrical Code
NFPA Standard 70, from National Fire
!
WARNING
!
WARNING
● Never use an electric arc welder to
thaw frozen pipes.
Flying
sparks
and hot metal can cause
injury. As welds cool, slag
can be thrown off. Take all precautions
described in this manual to reduce the
possibility of injury from flying sparks
and hot metal.
● Wear ANSI approved face shield or
safety glasses with side shield
protection when chipping or
grinding metal parts.
● Wear ear plugs when welding
overhead to prevent spatter or slag
from falling into ears.
Electric
arc
welding operations
produce intense light and
heat and ultraviolet (UV) rays. This
intense light and UV rays can cause
injury to eyes and skin. Take all
precautions described in this manual to
reduce the possibility of injury to eyes
and skin.
● All persons operating this
equipment or in the area while
equipment is in use must wear
protective welding gear including:
welding helmet or shield with
proper shade as specified in the
following chart, flame resistant
clothing, leather welding gloves,
and full foot protection.
Current Filter
e
Up To 160 Amps 10
160 To 250 Amps 12
Never look at arc
welding operations
without eye protection as described
above. Never use a shade filter lens
that is cracked, broken, or rated below
number 10. Warn others in the area not
to look at the arc.
Electric
arc
welding operations cause
sparks and heat metal to
temperatures that can cause
severe burns! Use protective gloves
and clothing when performing any
metal working operation. Take all
precautions described in this manual to
!
WARNING
!
WARNING
!
WARNING
!
WARNING
Model WS2100
reduce the possibility of skin and
clothing burns.
● Make sure that all persons in the
welding area are protected from
heat, sparks, and ultraviolet rays.
Use additional face shields and
flame resistant barriers as needed.
● Never touch work pieces until
completely cooled.
Heat and
sparks
produced during electric arc
welding and other metal
working operations can
ignite flammable and
explosive materials! Take all precautions
described in this manual to reduce the
possibility of flames and explosions.
● Remove all flammable materials
within 35 feet (10.7 meters) of
welding arc. If removal is not
possible, tightly cover flammable
materials with fire proof covers.
● Do not operate any electric arc
welder in areas where flammable or
explosive vapors may be present.
Take precautions to be sure that
flying sparks and heat do not cause
flames in hidden areas, cracks,
behind bulkheads, etc.
Fire
hazard!
Do not weld on containers
or pipes that contain or have
contained flammable
materials or gaseous or liquid
combustibles.
Arc
welding
closed cylinders or
containers such as tanks or
drums can cause explosion if
not properly vented! Verify that any
cylinder or container to be welded has
an adequate ventilation hole, so that
expanding gases can be released.
Do not
breathe
fumes that are produced by
the arc welding operation.
These fumes are dangerous. If the
welding area cannot be adequately
ventilated, be sure to use an air-
supplied respirator.
● Keep the head and face out of the
welding fumes.
● Do not perform electric arc welding
!
WARNING
!
WARNING
!
WARNING
!
WARNING
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Current Filter
(Amps) Shade
3