Kemppi MASTERTIG AC/DC 2000 Operation Instructions Manual - 1.3.  Operation Safety

4 – Mastertig AC/DC 2000, 2500, 2500W, 3500W/0510

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1.3.  OPERATION SAFETY

Please study these Operation safety instructions and respect them when installing, operating and 

servicing the machine.

Welding arc and spatters

Welding arc hurts unprotected eyes. Be careful also with reflecting arc flash. Welding arc and 

spatter burn unprotected skin. Use safety gloves and protective clothing.

Danger for fire or explosion

Pay attention to fire safety regulations. Remove flammable or explosive materials from welding 

place. Always ensure that you have sufficent fire fighting equipment available where you are 

welding. Be prepared for hazards in special welding jobs, eg. for the danger of fire or explosion 

when welding container type work pieces. Note! Fire can break out from sparks even several 

hours after the welding work has been finished!

Mains voltage

Never take welding machine inside a work piece (eg. container or truck). Do not place welding 

machine on a wet surface. Always check cables before operating the machine. Change damaged 

cables without delay. Damaged cables may cause an injury or set out a fire. Connection cable 

must not be crushed, it must not touch sharp edges or hot work pieces.

Welding power circuit

Isolate yourself by using proper protective clothing, do not wear wet clothing. Never work 

on a wet surface or use defect cables. Do not put the TIG torch or welding cables on welding 

machine or on other electric equipment. Do not press the TIG torch switch, if the torch is not 

directed towards a work piece.

Welding fumes

Take care that there is sufficient ventilation during welding. Take special safety precautions 

when welding metals which contain lead, cadmium, zinc, mercury or beryllium.

This equipment’s electromagnetic compatibility (EMC) is designed for use in an 

industrial  environment. Class A equipment is not intended for use in residential loca-

tion where the electrical power is provided by the public low-voltage supply system.