Lincoln Electric SVM 117-A Safety Instructions, General Description, WELDING, Cutting

B-1 OPERATION B-1

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Read and understand this entire section before operat- ing your WIRE-MATIC 250.

SAFETY INSTRUCTIONS

WARNING

ELECTRIC SHOCK can kill.

• Do not touch electrically live parts such as output terminals or internal wiring.

•Insulate yourself from the work and ground.

•Always wear dry insulating gloves.

CAUTION

When using a Wire-Matic 250 power source there will be a small spark if the electrode contacts the work or ground within several seconds after releasing the trigger.

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GENERAL DESCRIPTION

The WIRE-MATIC 250 is a complete semiautomatic constant voltage DC arc welding machine built to meet NEMA specifications. It combines a constant voltage power source, a constant speed wire feeder, and a microcomputer-based controller to form a reliable high- performance welding system.

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FUMES AND GASES can be dangerous.

• Keep your head out of fumes.

•Use ventilation or exhaust to remove fumes from breathing zone.

Simple controls, consisting of continuous full range cal- ibrated voltage control and wire feed speed control, provide versatility with ease of use.

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WELDING, CUTTING and

GOUGING SPARKS

can cause fire or explosion

•Keep flammable material away.

•Do not weld, cut or gouge on containers that have held combustibles.

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ARC RAYS can burn.

•Wear eye, ear and body protection.

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Only qualified personnel should operate this equip- ment. Observe all safety information throughout this manual.

WIRE-MATIC 250