Lincoln Electric IM467-B manual Operating Instructions, Safety Instructions

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B-1	OPERATION	B-1

OPERATING INSTRUCTIONS

Read and understand this entire section of operating instructions before operating the machine.

SAFETY INSTRUCTIONS

WARNING

ELECTRIC SHOCK can kill.

•Do not touch electrically live parts or electrodes with your skin or wet cloth- ing.

•Insulate yourself from the work and ground.

•Always wear dry insulating gloves.

FUMES AND GASES 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.

•Do not weld on containers that have held com- bustibles.

ARC RAYS can burn.

• Wear eye, ear, and body protection.

Observe additional Safety Guidelines detailed in the beginning of this manual.

SQUARE WAVE TIG 355

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Contents Square Wave TIG Safety Electric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Thank You Table of Contents Section C Section DSection E P196 SeriesInstallation Technical Specifications Square Wave TIGSelect Suitable Location Safety PrecautionsHigh Frequency Interference Protection Input Connections Ground ConnectionInput Supply Connection Electric Shock can killReconnect Procedure Figure A.2 Input Supply ConnectionsTable A.1 Recommended Input Wire and Fuse Sizes Table A.2 Recommended Input Wire and Fuse SizesVolt/Freq Nameplate AWG Copper Cond Volt/Freq AC Output AWG Copper CondOutput Connections TIG Torch ConnectionLengths up to 100 to 200 ft 200 to 250 ft 100 ft 30 m 30 to 61 m 61 to 76 mStick Electrode Cable Connection Safety Instructions Operating InstructionsOperational Features and Controls Design Features and AdvantagesGeneral Description Recommended ProcessesWelding Capability LimitationsControls and Settings Upper Case Front ControlsMode Switch STEP/4-STEP SwitchHigh Frequency Switch Upper Case Front Control PanelVOLTS/AMPS Switch Peak Current ControlAC Wave Balance Auto Balance LEDPulse Controls Spot ControlsStart Controls Figure B.2 Status Indicator Light Sequence Square Wave TIG Crater Fill ControlsOperation Lower Case Front Controls Figure B.3 Lower Case Frontcontrols Square Wave TIGOperation Hand and Foot Amptrol Operation Operation Welding Operation Initial START-UPStick Welding TIG Welding GuidelinesIllustrated in the 2-Step Mode for clarity Table B.1 Specific Effects of ControlsCrater Fill Switch on OFFStart Switch on Pulse Switch on Crater Fill Switch onSpot Switch OFF Spot Switch onTable B.2 Typical Current RANGES1 for Tungsten ELECTRODES2 Dcen Dcep + Unbalanced Wave Balanced WaveTIG Welding Sequence Operation 2-STEP Mode TIG Welding Sequence Operation 4-STEP ModeTable B.3 Recommended Settings for TIG Welding Polarity SwitchOverload Protection Auxiliary PowerALL Machines Accessories OPTIONS/ACCESSORIESMaintenance Input Power Factor Capacitor Discharge ProcedureRoutine and Periodic Maintenance Figure D.2 General Component Locations Troubleshooting Guide General Machine TroubleTroubleshooting Guide Stick Welding Symptom Cause and RemedyTroubleshooting Guide TIG Welding TIG Welding Lower Panel Controls Accessories K870 Foot Amptrol or K963 Hand AmptrolDiagrams Dimension Print Square Wave TIG355 Equipment Installation Certification Equipment MANUFACTURER’S CertificationPage Precaucion Aviso DE