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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.