1. symbol usage, 2. arc welding hazards – Miller Electric OM-227 398D User Manual

Page 5

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OM-227 398 Page 1

SECTION 1 −SAFETY PRECAUTIONS FOR GMAW

WELDING GUNS − READ BEFORE USING

SR7_2007−04

Protect yourself and others from injury — read and follow these precautions.

1-1. Symbol Usage

DANGER! − Indicates a hazardous situation which, if

not avoided, will result in death or serious injury. The

possible hazards are shown in the adjoining symbols

or explained in the text.

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury. The possible

hazards are shown in the adjoining symbols or ex-

plained in the text.

NOTICE − Indicates statements not related to personal injury.

.

Indicates special instructions.

This group of symbols means Warning! Watch Out! ELECTRIC

SHOCK, MOVING PARTS, and HOT PARTS hazards. Consult sym-

bols and related instructions below for necessary actions to avoid the

hazards.

1-2. Arc Welding Hazards

The symbols shown below are used throughout this manual

to call attention to and identify possible hazards. When you

see the symbol, watch out, and follow the related instructions

to avoid the hazard. The safety information given below is

only a summary of the more complete safety information

found in the welding power source Owner’s Manual. Read

and follow all Safety Standards.

Only qualified persons should install, operate, maintain, and

repair this unit.

During operation, keep everybody, especially children, away.

ELECTRIC SHOCK can kill.

D Always wear dry insulating gloves.
D Insulate yourself from work and ground.
D Do not touch live electrode or electrical parts.

D Repair or replace worn, damaged, or cracked gun or cable insula-

tion.

D Turn off welding power source before changing contact tip or gun

parts.

D Keep all covers and handle securely in place.

D Keep your head out of the fumes.
D Ventilate area, or use breathing device.
D Read Material Safety Data Sheets (MSDSs)

and manufacturer’s instructions for material

used.

FUMES AND GASES can be hazardous.

D Do not weld near flammable material.
D Do not weld on closed containers.
D Watch for fire; keep extinguisher nearby.

WELDING can cause fire or explosion.

BUILDUP OF GAS can injure or kill.

D Shut off shielding gas supply when not in use.
D Always ventilate confined spaces or use ap-

proved air-supplied respirator.

D Wear welding helmet with correct shade of fil-

ter.

D Wear correct eye and body protection.
D Cover exposed skin with spatter-resistant

clothing.

ARC RAYS can burn eyes and skin.

HOT PARTS can cause severe burns.

D Allow gun to cool before touching.
D Do not touch hot metal.
D Protect hot metal from contact by others.

NOISE can damage hearing.

Noise from some processes or equipment can

damage hearing.

D Check for noise level limits exceeding those

specified by OSHA.

D Use approved ear plugs or ear muffs if noise level is high.
D Warn others nearby about noise hazard.

WELDING WIRE can cause injury.

D Keep hands and body away from gun tip when

trigger is pressed.

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