Lincoln Electric LN-25, IM-939A, 11523, 11389 specifications Operation, Safety Precautions

Page 16

B-1

OPERATION

B-1

 

 

 

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.

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• FUMES AND GASSES can be dangerous.

• Keep your head out of fumes.

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

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• WELDING SPARKS can cause

fire or explosion.

• Keep flammable material away.

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ARC RAYS can burn.

• Wear eye, ear and body protec-

tion.

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SEE ADDITIONAL WARNING INFORMATION UNDER ARC WELDING SAFETY PRECAUTIONS AND IN THE FRONT OF THIS OPERATING MAN- UAL.

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GRAPHIC SYMBOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL

INPUT POWER

ON

OFF

WIRE FEEDER

POSITIVE OUTPUT

 

 

 

 

 

 

 

 

NEGATIVE OUTPUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INPUT POWER

 

 

 

 

 

 

 

 

DIRECT CURRENT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U0

OPEN CIRCUIT

 

VOLTAGE

 

 

 

 

 

 

 

 

 

U1

INPUT VOLTAGE

 

U2

OUTPUT VOLTAGE

 

 

I1

INPUT CURRENT

 

 

I2

OUTPUT CURRENT

 

 

 

 

 

 

 

 

PROTECTIVE

 

 

 

 

 

 

 

 

GROUND

 

 

 

 

 

 

 

 

WARNING OR

CAUTION

LN-25 PRO EXTREME

Image 16 Contents
LN-25 PRO Extreme Safety LN-25 PRO ExtremeElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Sûreté Pour Soudage a LʼArcThank You Table of Contents Installation Technical Specifications LN25 PRO K2613-3Safety Precautions LocationHigh Frequency Protection Weld Cable SizeShielding GAS Connection Cable ConnectionsBuild UP of Shielding GAS MAY Harm Health or Kill Procedure to Install Drive Rolls and Wire Guides Wire Drive ConfigurationChanging the GUN Receiver Bushing Loading Spools of Wire Pressure ARM AdjustmentGUN Connection Power Source to LN25 PRO Extreme Cable Connection Diagrams Across the ARC SET-UPSFigure A.7 Figure A.9 Safety Precautions OperationGeneral Description Figure B.1 Description Analog VoltmeterWire Feed Speed Knob Wire Feed Speed, CV OperationPolarity LED Internal Controls Figure B.2 LN-25 PRO ExtremeCV/CC Switch Cold Feed PushbuttonConstant Current Wire Welding Figure B-3POWER-UP Sequence Rear Controls GAS Purge PushbuttonAccessories Factory Installed EquipmentWire Type Electrode Size KP KIT Drive Roll KitsAccessories Accessories K1500-5 Gun Receiver Bushing compatible Maintenance Routine MaintenancePeriodic Maintenance Calibration SpecificationCover Board LN-25 PRO ExtremeTroubleshooting HOW to USE Troubleshooting GuideDigital Display Models Error Codes Output Problems Troubleshooting Diagrams Diagrams Dimension Print LN-25 PRO Extreme LN-25 PRO Extreme Precaucion Warnung
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