OPERATION |
SAFETY PRECAUTIONS
READ AND UNDERSTAND ENTIRE SECTION BEFORE OPERATING MACHINE.
WARNING
• ELECTRIC SHOCK CAN KILL. Unless using COLD FEED fea- ture, when feeding with gun trig- ger, the electrode and drive mechanism are always electri- cally energized and could remain energized several sec- onds after the welding ceases..
•Do not touch electrically live part or electrode with skin or wet clothing.
•Insulate yourself from work and ground.
•Always wear dry insulating gloves.
•Do not operate with covers, panels or guards removed or open.
• FUMES AND GASSES can be dangerous.
• Keep your head out of fumes.
• Use ventilation or exhaust to remove fumes from breathing zone.
• WELDING SPARKS can cause
fire or explosion.
• Keep flammable material away.
ARC RAYS can burn.
• Wear eye, ear and body protec-
tion.
SEE ADDITIONAL WARNING INFORMATION UNDER ARC WELDING SAFETY PRECAUTIONS AND IN THE FRONT OF THIS OPERATING MAN- UAL.
GRAPHIC SYMBOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL
WIRE FEEDER
POSITIVE OUTPUT
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| INPUT POWER |
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| DIRECT CURRENT |
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| U0 | OPEN CIRCUIT | |||||
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| VOLTAGE | ||||||
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| U1 | INPUT VOLTAGE | |||||
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| U2 | OUTPUT VOLTAGE | |||||
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| I1 | INPUT CURRENT | ||||
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| I2 | OUTPUT CURRENT | ||||
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| PROTECTIVE |
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| GROUND |
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WARNING OR
CAUTION
AutoDrive™ 4R220