6
FUmeS AND GASeS -- Fumes and gases,
can cause discomfort or harm, particu-
larly in confined spaces. Do not breathe
fumes and gases. Shielding gases can
cause asphyxiation. Therefore:
1. Always provide adequate ventilation in the work area by
natural or mechanical means. Do not weld, cut, or gouge on
materials such as galvanized steel, stainless steel, copper,
zinc, lead, beryllium, or cadmium unless positive mechani-
cal ventilation is provided. Do not breathe fumes from these
materials.
2. Do not operate near degreasing and spraying operations.
The heat or arc rays can react with chlorinated hydrocarbon
vapors to form phosgene, a highly toxic gas, and other irritant
gases.
3. If you develop momentary eye, nose, or throat irritation
while operating, this is an indication that ventilation is not
adequate. Stop work and take necessary steps to improve
ventilation in the work area. Do not continue to operate if
physical discomfort persists.
4. Refer to ANSI/ASC Standard Z49.1 (see listing below) for
specific ventilation recommendations.
5. WARNING: This product, when used for welding or cut-
ting, produces fumes or gases which contain
chemicals known to the State of California
to cause birth defects and, in some cases,
cancer. (California health & Safety Code
§
25249.5 et seq.)
CYlINDeR hANDlING -- Cylinders, if mis-
handled, can rupture and violently release
gas. Sudden rupture of cylinder, valve, or
relief device can injure or kill. Therefore:
1.
Use the proper gas for the process
and use the proper pressure reducing regula-
tor designed to operate from the compressed
gas cylinder. Do not use adaptors. Maintain hoses and fittings
in good condition. Follow manufacturer's operating instruc-
tions for mounting regulator to a compressed gas cylinder.
2. Always secure cylinders in an upright position by chain or
strap to suitable hand trucks, undercarriages, benches, walls,
post, or racks. Never secure cylinders to work tables or fixtures
where they may become part of an electrical circuit.
3. When not in use, keep cylinder valves closed. Have valve pro-
tection cap in place if regulator is not connected. Secure and
move cylinders by using suitable hand trucks. Avoid rough
handling of cylinders.
4. Locate cylinders away from heat, sparks, and flames. Never
strike an arc on a cylinder.
5. For additional information, refer to CGA Standard P-1, "Precau-
tions for Safe Handling of Compressed Gases in Cylinders",
which is available from Compressed Gas Association, 1235
Jefferson Davis Highway, Arlington, VA 22202.
eQUIPmeNT mAINTeNANCe -- Faulty or improperly main-
tained equipment can cause injury or death. Therefore:
1. Always have qualified personnel perform the installation,
troubleshooting, and maintenance work. Do not
perform any electrical work unless you are quali-
fied to perform such work.
2. Before performing any maintenance work
inside a power source, disconnect the power
source from the incoming electrical power.
3. Maintain cables, grounding wire, connections, power cord,
and power supply in safe working order. Do not operate any
equipment in faulty condition.
4. Do not abuse any equipment or accessories. Keep equipment
away from heat sources such as furnaces, wet conditions such
as water puddles, oil or grease, corrosive atmospheres and
inclement weather.
5. Keep all safety devices and cabinet covers in position and in
good repair.
6. Use equipment only for its intended purpose. Do not modify
it in any manner.
ADDITIONAl SAFeTY INFORmATION -- For more informa-
tion on safe practices for electric arc welding and cutting
equipment, ask your supplier for a copy of "Precautions
and Safe Practices for Arc Welding, Cutting and Gouging",
Form 52-529.
The following publications, which are available from
the American Welding Society, 550 N.W. LeJuene Road,
Miami, FL 33126, are recommended to you:
1.
ANSI/ASC Z49.1 - "Safety in Welding and
Cutting"
2.
AWS C5.1 - "Recommended Practices for
Plasma Arc Welding"
3. AWS C5.2 - "Recommended Practices for Plasma Arc Cut-
ting"
4. AWS C5.3 - "Recommended Practices for Air Carbon Arc Goug-
ing and Cutting"
5. AWS C5.5 - "Recommended Practices for Gas Tungsten Arc
Welding“
6. AWS C5.6 - "Recommended Practices for Gas Metal Arc Weld-
ing"“
7. AWS SP - "Safe Practices" - Reprint, Welding Handbook.
8. ANSI/AWS F4.1, "Recommended Safe Practices for Welding
and Cutting of Containers That Have Held Hazardous Sub-
stances."
meANING OF SYmBOlS - As used throughout this manual:
means Attention! Be Alert! Your safety is involved.
means immediate hazards which, if not
avoided, will result in immediate, serious
personal injury or loss of life.
means potential hazards which could
result in personal injury or loss of life.
means hazards which could result in minor
personal injury.
SAFeTY PReCAUTIONS
Содержание 380
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Страница 14: ...14 SECTION 1 DESCRIPTION ...
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