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2.d. All should use the following procedures in order to WARNING minimie exposure to EMF fields from the welding circuit: 5.c. Shielding gases used for can displace air and cause inury or death. Always use enough ventilation, CALIFORNIA PROPOSITION 65 WARNINGS 2.d.1. Route the and work cables together - Secure especially in confined areas, to insure breathing air is safe. ARC WELDING SAFELY them with tape when possible. iesel engine exhaust and some of its constituents 5.d. Read and understand the manufacturers instructions for this are known to the State of California to cause can- 2.d.2. Never coil the electrode lead around your body. euipment and the consumables to be used, including the cer, birth defects, and other reproductive harm. material safety data sheet MSS and follow your 2.d.3. o not place your body between the electrode and employers safety practices. MSS forms are available from Welders shall follow safe welding practices Employers shall provide safe working conditions and safety training. he Above For iesel Engines work cables. If the electrode cable is on your right your welding distributor or from the manufacturer. side, the work cable should also be on your right side. As in most trades, welders are exposed to certain haards. aards exist with all arc welding processes. Welding is safe when 5.e. Also see item 1.b. safe practices are followed. he engine e xhaust from this product contains 2.d.4. Connect the work cable to the workpiece as close as his information is a brief outline of precautionary measures that will help avoid the haards of arc welding. chemicals known to the State of California to cause possible to the area being welded. Read and understand the manufacturers instructions and your employers safe practices. cancer, birth defects, or other reproductive harm. our Safety irector or Supervisor should be consulted when specific uestions arise. 2.d.5. o not work next to welding power source. WELDING SPARKS can he Above For asoline Engines cause fire or explosion. .a. Remove fire haards from the welding area. If this is not possible, cover them to prevent ARC WELDING CAN BE HAZARDOUS. PROTECT YOUR- ELECTRIC SHOCK can kill. the welding sparks from starting a fire. SELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR 3.a. he electrode and work or ground circuits Remember that welding sparks and hot DEATH. KEEP CHILDREN AWAY. PACEMAKER WEARERS are electrically “hot” when the is on. materials from welding can easily go through small cracks WARNING: SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPER- o not touch these “hot” parts with your bare and openings to adacent areas. Avoid welding near hydraulic lines. ave a fire extinguisher readily available. ATING. skin or wet clothing. Wear dry, hole-free PROTECT YOURSELF AND OTHERS. gloves to insulate hands. READ AND UNDERSTAND THIS . b. Where compressed gases are to be used at the ob site, FMES AN ASES ARC RAS can Read and understand the following safety highlights. 3.b. Insulate yourself from work and ground using dry insulation. special precautions should be used to prevent haardous INFORMATION. ELECRIC SOC can be dangerous to inures eyes and For additional safety information, it is strongly recom- Make certain the insulation is large enough to cover your full situations. Refer to “Safety in Welding and Cutting” ANSI can kill. Standard Z49.1 and the operating information for the your health. skin. area of physical contact with work and ground. mended that you purchase a copy of “Safety in euipment being used. Welding & Cutting - ANSI Standard Z49.1” from the In addition to the normal safety precautions, if welding .c. When not welding, make certain no part of the electrode American Welding Society, P.O. Box 351040, Miami, must be performed under electrically hazardous Florida 33135 or CSA Standard W117.2-1974. A Free circuit is touching the work or ground. Accidental contact can conditions (in damp locations or while wearing wet cause overheating and create a fire haard. copy of “Arc Welding Safety” booklet E205 is available clothing; on structures such as floors, gratings or from the Lincoln Electric Company, 22801 St. Clair scaffolds; when in cramped positions such as sitting, .d. o not heat, cut or weld tanks, drums or containers until the Avenue, , Ohio 44117-1199. kneeling or lying, if there is a high risk of unavoidable or proper steps have been taken to insure that such procedures accidental contact with the workpiece or ground) use will not cause flammable or toxic vapors from substances fumes and the following equipment: inside. hey can cause an explosion even though they have YES YES BE SURE THAT ALL INSTALLATION, OPERATION, • Semiautomatic DC Constant (Wire) Welder. been “cleaned”. For information, purchase “Recommended gases can be MAINTENANCE AND REPAIR PROCEDURES ARE • DC Manual (Stick) Welder. Safe Practices for the Preparation for Welding and Cutting of USE ENOUGH VENTILATION or exhaust at the PERFORMED ONLY BY QUALIFIED INDIVIDUALS. • AC Welder with Reduced Voltage Control. Containers and Piping hat ave eld aardous Substances”, AWS F4.1 from the American Welding Society arc, or both, to keep the fumes and gases from dangerous to your breathing one and the general area. 3.c. In semiautomatic or automatic wire welding, the electrode, see address above. electrode reel, welding head, nole or semiautomatic FOR ENGINE welding gun are also electrically “hot”. .e. ent hollow castings or containers before heating, cutting or your health IN A LARGE ROOM OR OUTDOORS, natural welding. hey may explode. ventilation may be adeuate if you keep your powered equipment. 3.d. Always be sure the work cable makes a good electrical head out of the fumes See below. 1.a. urn the engine off before troubleshooting and maintenance KEEP your head out of the fumes. connection with the metal being welded. he connection .f. Sparks and spatter are thrown from the welding arc. Wear oil work unless the maintenance work reuires it to be running. should be as close as possible to the area being welded. free protective garments such as leather gloves, heavy shirt, DON’T get too close to the arc. se corrective USE NATURAL DRAFTS or fans to keep the ______cuffless trousers, high shoes and a cap over your hair. Wear lenses if necessary to stay a reasonable fumes away from your face. 1.b. Operate engines in open, well-ventilated 3.e. round the work or metal to be welded to a good electrical ear plugs when welding out of position or in confined places. distance away from the arc. areas or vent the engine exhaust fumes Always wear safety with side shields when in a If you develop unusual symptoms, see your earth ground. outdoors. welding area. NO READ and obey the warning label that supervisor. Perhaps the welding atmosphere and NO ventilation system should be checked. 3.f. Maintain the electrode holder, work clamp, welding cable and appears on all containers of welding materials. .g. Connect the work cable to the work as close to the welding welding in good, safe operating condition. Replace area as practical. Work cables connected to the building damaged insulation. framework or other locations away from the welding area ______increase the possibility of the welding current passing 1.c. o not add the fuel near an open flame weld - 3.g. Never dip the electrode in water for cooling. through lifting chains, crane cables or other alternate circuits. ing arc or when the engine is running. Stop his can create fire haards or overheat lifting chains or the engine and allow it to cool before refuel- 3.h. Never simultaneously touch electrically “hot” parts of cables until they fail. ing to prevent spilled fuel from vaporiing on electrode holders connected to two welders because voltage contact with hot engine parts and igniting. o some ventilation O NO OC LIE ELECRICAL PARS between the two can be the total of the open circuit voltage .h. Also see item 1.c. not spill fuel when filling tank. If fuel is spilled, of both welders. wipe it up and do not start engine until fumes suggestions electric shock can kill have been eliminated. 3.i. When working above floor level, use a safety belt to protect ______yourself from a fall should you get a shock. PROTECT adeuate ventilation is available when welding BE SURE you are insulated from live electrical parts. 1.d. eep all euipment safety guards, covers and devices in posi- CYLINDER may explode in confined areas or where there are barriers to air movement. BE SRE euipment is adeuate for the ob. tion and in good repair.eep hands, hair, clothing and 3.. Also see Items .c. and 8. if damaged. BE SRE euipment is installed according to prevailing codes. away from -belts, gears, fans and all other moving parts 7.a. se only c ompressed gas cylinders EXTRACTOR welding gun. For semiautomatic BE SRE damaged parts are repaired or replaced. when starting, operating or repairing euipment. BE SURE welding machine is properly grounded. ______containing the correct for the welding processes, euipment exists for exhausting the process used and properly operating BE SURE gloves have no holes. fumes at the arc. 1.e. In some cases it may be necessary to remove safety regulators designed for the gas and BE SURE to stay dry do not weld when you are wet. USE NATURAL VENTILATION guards to perform reuired maintenance. Remove used. All hoses, fittings, etc. should be suitable for BE SRE euipment is turned OFF when not in use. guards only when necessary and replace them when the the application and maintained in good condition. O NO use cables that are too small, damaged, or poorly spliced. maintenance reuiring their removal is complete. wear correct eye, ear, O NO wrap cables around your body. Always use the greatest care when working near moving ARC RAYS can burn. 7.b. Always keep cylinders in an upright position securely parts. 4.a. se a shield with the proper filter and cover chained to an undercarriage or fixed support. and body protection ______plates to protect your eyes from sparks and 1.f. o not put your hands near the engine fan. o the rays of the arc when welding or observing 7.c. Cylinders should be located: PROTECT your eyes and face with properly fitted additional precautionary not attempt to override the governor or idler open arc welding. eadshield and filter lens Away from areas where they may be struck or subected to and with proper grade of filter plate See ANSI Z49.1. by pushing on the throttle control rods while should conform to ANSI Z87. I standards. physical damage. PROTECT your body from welding spatter and with Insulated the engine is running. protective clothing including woolen clothing, flame-proof apron and measures 4.b. se suitable clothing made from durable flame-resistant A safe distance from arc welding or cutting operations and gloves, leather leggings , and high boots. material to protect your skin and that of your helpers from any other source of heat, sparks, or flame. PROTECT compressed gas cylinders from the arc rays. excessive heat, mechanical shocks, and arcs PROTECT other from spatter, flash, and glare with protective ______7.d. Never allow the electrode, electrode holder or any other screens or banners. fasten cylinders so they cannot fall. 1.g. o prevent accidentally starting gasoline engines while 4.c. Protect other nearby personnel with suitable, non-flammable electrically “hot” parts to touch a cylinder. USE EXHAUST AT THE ARC screening and/or warn them not to watch the arc nor expose IN SOME AREAS protection from noise may be appropriate. the engine or welding generator during maintenance BE SURE cylinders are never grounded or work, disconnect the spark plug wires, distributor cap or themselves to the arc rays or to hot spatter or metal. 7.e. eep your head and face away from the cylinder outlet BE SURE protective euipment is in good condition. part of an electrical circuit. magneto wire as appropriate. when opening the cylinder valve. Also, wear safety glasses in work area AT ALL TIMES. Insulated 7.f. alve protection caps should always be in place and hand REMOVE all potential fire haards from welding 1.h.o avoid scalding, do not remove the radiator pressure cap when the engine is tight except when the cylinder is in use or connected for area. FUMES AND GASES hot. use. Insulated can be dangerous. 7.g. Read and follow the instructions on compressed gas ALWAYS HAVE FIRE FIGHTING EQUIPMENT 5.a. Welding may produce fumes and gases cylinders, associated euipment, and CA publication P-l, READY FOR IMMEDIATE USE AND KNOW haardous to health. Avoid breathing these “Precautions for Safe andling of Compressed ases in SESE HOW TO USE IT fumes and gases.When welding, keep WA Cylinders,” available from the Compressed as Association your head out of the fume. se enough 1235 Jefferson avis ighway, Arlington, A 22202. ventilation and/or exhaust at the arc to keep ELECTRIC AND fumes and gases away from the breathing one. When cooperating for safety welding with which require special FOR ELECTRICALLY MAGNETIC FIELDS ventilation such as stainless or hard facing (see special situations Cooperation between management instructions on container or MSDS) or on lead or powered equipment. and employees is vital to the success may be dangerous cadmium plated and other or coatings DO NOT WELD OR CUT containers or materials which previously had been in contact with of every company. By working together which produce highly toxic fumes, keep exposure as 8.a. urn off input power using the disconnect toward the common goal SAFETY haardous substances unless they are properly cleaned. his is extremely dangerous. 2.a. flowing through any conductor causes low as possible and below Threshold Limit Values (TLV) switch at the fuse box before working on IN WELDING everyone wins the euipment. DO NOT WELD OR CUT painted or plated parts unless special precautions with ventilation have localied Electric and Magnetic Fields EMF. Welding using local exhaust or mechanical ventilation. In Welders and their supervisors should confined spaces or in some circumstances, outdoors, a been taken. hey can release highly toxic fumes or gases. current creates EMF fields around welding cables and have adeuate safely training. welding respirator may be required. Additional precautions are 8.b. Install euipment in accordance with the .S. National Refer to the references shown below for directions on how to deal with such special situations. also required when welding on galvanized steel. Electrical Code, all local codes and the manufacturers recommendations. 2.b. EMF fields may interfere with some pacemakers, and For further information refer to American National Standard Z49.1, “Safety in Welding and Cutting,” available from Special thanks to the welders having a pacemaker should consult their physician 5.b. o not weld in locations near chlorinated hydrocarbon vapors the American Welding Society, P.O. Box 351040, Miami FL 33135 coming from degreasing, cleaning or spraying operations. 8.c. round the euipment in accordance with the .S. National American Welding Society before welding. Other details are given in itle 29. Code of Federal Regulations, Section 1910 Occupational Safety and ealth he heat and rays of the arc can react with vapors to Electrical Code and the manufacturers recommendations. and Lincoln Electric for the Administration ocument 220, available from .S. epartment of Labor, Washington, C 20210 and the booklet 2.c. Exposure to EMF fields in welding may have other health form phosgene, a highly toxic gas, and other irritating prod- “Ls, hreshold Limit alues. . .,” American Conference of o vernmental Industrial ygeienists. P.O. box 1937, information contained in this poster. effects which are now not known. ucts. Mar ‘95 Cincinnati, O 45201. MCM-14 2007