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5.1 Do not weld on coated metals such as galvanized, lead or cadmium plated steel, unless
the coating is removed from the weld area. The coatings and any metals containing
these elements can give off toxic fumes during the welding process.
5.2 Do not weld, cut or heat lead, zinc, cadmium, mercury, beryllium or similar metals without
seeking professional advice and inspection of the welding area's ventilation. These metals
produce extreme toxic fumes, which can cause discomfort, illness and death.
5.3 Do not weld or cut near chlorinated solvents or in areas that chlorinates solvents can
enter. The heat or ultraviolet light of the arc can separate chlorinated hydrocarbons into
a toxic gas (phosgene) that can poison or suffocate the user or bystanders.
6.
Check the Safety Data Sheet for the proper handling and safety precautions for
consumable welding rods as the coating can have multiple chemicals.
COMPRESSED GAS CYLINDER PRECAUTIONS
WARNING! Improper handling or maintenance of compressed gas cylinders and regulators
can result in serious injury or death. Do not use a cylinder or its contents for anything other
than its intended use.
1.
Only use inert or nonflammable gas with the welding unit such as Carbon Dioxide, Argon or
Helium with the welding unit.
1.1
Never use flammable gases. They will ignite and may result in an explosion or fire that can
cause death or injury.
2.
Do not attempt to mix gases or refill a gas cylinder. Exchange a cylinder or have it refilled by a
professional service.
3.
Do not deface or alter the name, number or other markings on a cylinder. Do not rely on a
cylinder's colour to identify the contents. Do not connect a regulator to a cylinder that contains
a gas that the regulator was not designed to handle.
4. Do not expose a cylinder to excessive heat, sparks, slag, flame or any other heat source.
4.1 A cylinder exposed to temperatures above 130 °F will require water spray cooling.
This method may not be compatible with electric welding units due to the hazard
of electrocution.
5.
Do not expose a cylinder to electricity of any kind.
6.
Do not attempt to lubricate a regulator. Always change a cylinder carefully to prevent leaks
and damage to the cylinder's walls, valve or safety devices.
7.
Gases in the cylinder are under pressure. Protect the cylinder from bumps, falls, falling
objects and harsh weather. A punctured cylinder under pressure can become a lethal
projectile. If a cylinder is punctured, do not approach until all pressure is released.
7.1 Protect the valve and regulator. Damage to either can result in regulator's explosive
ejection from the cylinder.
8.
Always secure a gas cylinder in a vertical position to a welding cart or other fixed support
with a steel chain, so it cannot be knocked over.
8.1 Away from areas where they may be struck or subjected to physical damage.
8.2 A safe distance from arc welding or cutting operations and any other source of heat,
sparks or flame.
8.3 Do not use as an improvised support or roller.
9.
Always place the cylinder cap securely on the cylinder unless it is in use or being serviced.
10. Do not use a wrench or hammer to open a cylinder valve that cannot be opened by hand.
Notify your supplier for instructions.
8
145A MULTI-PROCESS MIG-ARC-TIG WELDER
For technical questions call 1-800-665-8685
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