Avoid operating alone.

Do not use with power switch locked on.

Properly maintain and inspect to avoid electrical shock.

Any power cord must be properly grounded. Ground Fault Circuit Interrupter (GFCI) should also be implemented – it prevents sustained electrical shock.

11.WARNING: This product, when used for welding, plasma cutting, soldering, or similar applications, produces chemicals known to the State of California to cause cancer and birth defects (or other reproductive harm). (California Health & Safety Code § 25249.5, et seq.)

12.Cylinders can explode when damaged:

Never weld on a pressurized or a closed cylinder.

Never lay a welding torch on a cylinder.

Never allow a welding electrode to touch the cylinder.

Keep cylinders away from any electrical circuits, including welding circuits.

Keep protective cap in place over the valve except when the cylinder is in use.

Use only correct gas shielding equipment designed specifically for the type of welding you will do.

Maintain this equipment properly.

Protect gas cylinders from heat, being struck, physical damage, slag, flames, sparks, and arcs.

Always use proper procedures to move cylinders.

13.Prevent eye injury and burns. Wearing and using ANSI-approved personal safety clothing and safety devices reduce the risk for injury.

Wear ANSI-approved safety eye goggles underneath welding eye protection featuring at least a Number 10 shade lens rating.

Leather leggings, fire resistant shoes or boots should be worn when using this product. Do not wear pants with cuffs, shirts with open pockets, or any clothing that can catch and hold molten metal or sparks.

Keep clothing free of grease, oil, solvents, or any flammable substances. Wear dry, insulating gloves and protective clothing.

Wear an approved head covering to protect the head and neck. Use aprons, cape, sleeves, shoulder covers, and bibs designed and approved for welding and cut­ting procedures.

When welding/cutting overhead or in confined spaces, wear flame resistant ear plugs or ear muffs to keep sparks out of ears.

14.Prevent accidental fires. Remove any combustible material from the work area.

When possible, move the work to a location well away from combustible materials. If relocation is not possible, protect the combustibles

SKU 97503

For technical questions, please call 1-800-444-3353.

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Harbor Freight Tools 97503 operating instructions For technical questions, please call