Lincoln Electric IM467-B manual Figure D.2 General Component Locations

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D-3

D-3

MAINTENANCE

FIGURE D.2 – GENERAL COMPONENT LOCATIONS

1. OUTPUT RECTIFIER/SCR BRIDGE ASSEMBLY

2. INPUT CONTACTOR

3. RECONNECT PANEL

4. PILOT TRANSFORMER

5. FAN AND FAN MOTOR

6. INPUT POWER FACTOR CAPACITOR

7. MAIN TRANSFORMER

8. CHOKE

9. HIGH VOLTAGE TRANSFORMER

10. PC BOARDS (POWER, CONTROL)

11. CASE FRONT

2

1

3

4

5

6

7

8

10

9

11

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 P196 Series Section CSection D Section ETechnical Specifications Square Wave TIG InstallationSafety Precautions Select Suitable LocationHigh Frequency Interference Protection Electric Shock can kill Input ConnectionsGround Connection Input Supply ConnectionFigure A.2 Input Supply Connections Reconnect ProcedureVolt/Freq AC Output AWG Copper Cond Table A.1 Recommended Input Wire and Fuse SizesTable A.2 Recommended Input Wire and Fuse Sizes Volt/Freq Nameplate AWG Copper Cond100 ft 30 m 30 to 61 m 61 to 76 m Output ConnectionsTIG Torch Connection Lengths up to 100 to 200 ft 200 to 250 ftStick Electrode Cable Connection Operating Instructions Safety InstructionsRecommended Processes Operational Features and ControlsDesign Features and Advantages General DescriptionLimitations Welding CapabilityUpper Case Front Controls Controls and SettingsUpper Case Front Control Panel Mode SwitchSTEP/4-STEP Switch High Frequency SwitchAuto Balance LED VOLTS/AMPS SwitchPeak Current Control AC Wave BalanceSpot Controls Pulse ControlsStart Controls Crater Fill Controls Figure B.2 Status Indicator Light Sequence Square Wave TIGOperation Figure B.3 Lower Case Frontcontrols Square Wave TIG Lower Case Front ControlsOperation Hand and Foot Amptrol Operation Operation TIG Welding Guidelines Welding OperationInitial START-UP Stick WeldingTable B.1 Specific Effects of Controls Illustrated in the 2-Step Mode for clarityOFF Crater Fill Switch onSpot Switch on Start Switch onPulse Switch on Crater Fill Switch on Spot Switch OFFDcen Dcep + Unbalanced Wave Balanced Wave Table B.2 Typical Current RANGES1 for Tungsten ELECTRODES2Polarity Switch TIG Welding Sequence Operation 2-STEP ModeTIG Welding Sequence Operation 4-STEP Mode Table B.3 Recommended Settings for TIG WeldingAuxiliary Power Overload ProtectionALL Machines OPTIONS/ACCESSORIES AccessoriesInput Power Factor Capacitor Discharge Procedure MaintenanceRoutine and Periodic Maintenance Figure D.2 General Component Locations General Machine Trouble Troubleshooting GuideSymptom Cause and Remedy Troubleshooting Guide Stick WeldingTroubleshooting Guide TIG Welding TIG Welding Lower Panel Controls K870 Foot Amptrol or K963 Hand Amptrol AccessoriesDiagrams Dimension Print Square Wave TIG355 Equipment MANUFACTURER’S Certification Equipment Installation CertificationPage Precaucion Aviso DE