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4.g. Sparks and spatter are thrown from the plasma arc. Wear safe-
ty glasses, ear protection and oil free protective garments such
as leather gloves, heavy shirt, cuffless trousers, high shoes
and a cap over your hair. Wear ear plugs when cutting or goug-
ing out of position or in confined places. Always wear safety
glasses with side shields when in a cutting or gouging area.
4.h. Connect the work cable to the work as close to the cutting or
gouging area as practical. Work cables connected to the build-
ing framework or other locations away from the cutting or goug-
ing area increase the possibility of the current passing through
lifting chains, crane cables or other alternate circuits. This can
create fire hazards or overheat lifting chains or cables until they
fail.
CYLINDER may explode
if damaged.
5.a. Use only compressed gas cylinders contain-
ing the correct gas for the process used and
properly operating regulators designed for the
gas and pressure used. All hoses, fittings, etc.
should be suitable for the application and maintained in good
condition.
5.b. Always keep cylinders in an upright position securely chained
to an undercarriage or fixed support.
5.c. Cylinders should be located:
• Away from areas where they may be struck or subjected to
physical damage.
• A safe distance from plasma cutting or gouging, arc weld-
ing operations and any other source of heat, sparks,
or flame.
5.d. Never allow any part of the electrode, torch or any other elec-
trically "hot" parts to touch a cylinder.
5.e. Keep your head and face away from the cylinder valve outlet
when opening the cylinder valve.
5.f. Valve protection caps should always be in place and hand
tight except when the cylinder is in use or connected for use.
5.g. Read and follow the instructions on compressed gas cylin-
ders, associated equipment, and CGA publication P-l,
"Precautions for Safe Handling of Compressed Gases in
Cylinders,"available from the Compressed Gas Association
1235 Jefferson Davis Highway, Arlington, VA 22202.
FOR ELECTRICALLY
powered equipment.
6.a. Turn off input power using the disconnect
switch at the fuse box before working on the
equipment.
6.b. Install equipment in accordance with the U.S. National
Electrical Code, all local codes and the manufacturer's rec-
ommendations.
6.c. Ground the equipment in accordance with the U.S. National
Electrical Code and the manufacturer's recommendations.
SAFETY
PLASMA ARC can injure.
7.a. Keep your body away from nozzle and
7.b. Operate the pilot arc with caution. The pilot arc is capable of
burning the operator, others or even piercing safety clothing.
ELECTRIC AND MAGNETIC FIELDS
may be dangerous
8.a. Electric current flowing through any conduc-
tor causes localized Electric and Magnetic Fields
(EMF). Cutting or gouging current creates EMF
fields around torch cables and cutting machines.
8.b. EMF fields may interfere with some pace-
makers, so operators having a pacemaker should consult
their physician before cutting or gouging.
8.c. Exposure to EMF fields during cutting or gouging may have
other health effects which are now not known.
8d. All operators should use the following procedures in order to
minimize exposure to EMF fields from the cutting or gouging
circuit:
8.d.1. Route the torch and work cables together - Secure
them with tape when possible.
8.d.2. Never coil the torch cable around your body.
8.d.3. Do not place your body between the torch and
work cables. If the torch cable is on your right side,
side.
8.d.4. Connect the work cable to the workpiece as close as
possible to the area being cut or gouged.
8.d.5. Do not work next to cutting power source.
plasma arc.
the work cable should also be on your right
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Apr. '93
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