Lincoln-electric IM474 IDEALARC DC-400 User Manual

• Sales and Service through Subsidiaries and Distributors Worldwide •Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB 

A-3INSTALLATION IDEALARC® DC-400A-3* Failure to follow these instructionscan cause immediate failure of com-ponents within the machine. • When power

A-4INSTALLATION A-4K843 AMPTROL™ ADAPTER INSTALLATION INSTRUCTIONSFor use with: DC-250, DC-400, R3R or Weldanpower 250 (D-10 and Pro)with remote con

A-5INSTALLATION IDEALARC® DC-400A-5INSTALLATION OF EQUIPMENTREQUIRED FOR RECOMMENDEDPROCESSESWIRE FEEDER CONTROL CABLE CONNECTIONSFor control cable

A-6INSTALLATION IDEALARC® DC-400A-6The operation of the switch is as follows:A semiautomatic or automatic wire feed unit electrodeand work cables ar

B-1OPERATIONIDEALARC® DC-400B-1SAFETY PRECAUTIONSWhen using a DC-400 power source with wire feederswhich do not have an electrical trigger interlock (

B-2OPERATIONB-2IDEALARC® DC-400Output (Voltage)OUTPUT TERMINALS SWITCHOnRemote On/OffShielded Metal ArcWeldingARC FORCE CONTROL DIALGas Tungsten ArcW

B-3OPERATIONB-3IDEALARC® DC-400RATING PLATE (Continued)Constant Current Characteristic Submerged Arc Welding Designates welder complies with National

B-4OPERATIONB-4IDEALARC® DC-400GENERAL MACHINE DESCRIPTIONThe DC-400 is an SCR controlled three phase DCpower source. It is designed with a single ra

B-5OPERATIONB-5IDEALARC® DC-400POWER SOURCE OPERATION ANDCONTROLSDuty Cycle and Time PeriodThe DC-400 is rated at the following duty cycles:* Based up

B-6OPERATIONB-6IDEALARC® DC-400In this position, the dynamic characteristics of themachine under welding conditions provide optimumwelding characteris

FOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to be running.

B-7OPERATIONB-7IDEALARC® DC-400Terminal Strip ConnectionsTerminal strip TS2 located behind the hinged controlpanel on the front of the power source su

B-8OPERATIONB-8IDEALARC® DC-400AUXILIARY POWER CONNECTIONSThe power source is equipped to furnish nominally110-115 volt AC and 40-42 volt AC auxiliary

B-9OPERATIONB-9IDEALARC® DC-400The case rear, top section, is equipped with a remov-able access panel. This provides easy access to theinput contacto

C-1ACCESSORIESC-1TIG OPTIONSTIG MODULE (K930-2)Docking KitControl Cable Extension-45ʼWater valve KitAMPTROL ADAPTER FOR K799 HI-FREQUENCYKIT (K915-1,

C-2ACCESSORIESC-2AMPTROL™ ADAPTER CABLE (K843)A five wire cable, 12” (.30m) long, is available for easyconnection of standard K963 Hand Amptrol or K87

D-1MAINTENANCED-1IDEALARC® DC-400SAFETY PRECAUTIONS-----------------------------------------------------------------------ELECTRIC SHOCK can kill.• Ha

E-1TROUBLESHOOTINGE-1IDEALARC® DC-400If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, co

E-2TROUBLESHOOTINGE-2IDEALARC® DC-400Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test pro

E-3TROUBLESHOOTINGE-3IDEALARC® DC-400Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test pro

E-4TROUBLESHOOTINGE-4IDEALARC® DC-400Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test pro

iiSAFETYiiARC RAYS can burn.4.a. Use a shield with the proper filter and coverplates to protect your eyes from sparks andthe rays of the arc when weld

E-5TROUBLESHOOTINGE-5IDEALARC® DC-400Observe all Safety Guidelines detailed throughout this manualIf for any reason you do not understand the test pro

E-6TROUBLESHOOTINGE-6IDEALARC® DC-400If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, co

E-7TROUBLESHOOTINGE-7IDEALARC® DC-400If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, co

F-1DIAGRAMSF-1IDEALARC® DC-400

F-2DIAGRAMSF-2IDEALARC® DC-400NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specifi

F-3DIAGRAMSF-3IDEALARC® DC-400NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specifi

F-4DIAGRAMSF-4IDEALARC® DC-400NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specifi

F-5DIAGRAMSF-5IDEALARC® DC-400NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specifi

NOTES IDEALARC® DC-400

NOTES IDEALARC® DC-400

iiiSAFETYiiiFOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.8.b.

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicREAD AND UNDERSTAND THE MANUFACTURER’S INSTRUC

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicLEIA E COMPREENDA AS INSTRUÇÕES DO FABRICANTE

• Sales and Service through Subsidiaries and Distributors Worldwide •Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB 

PRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques qui parraissent dan

vvThank Youfor selecting a QUALITY product by Lincoln Electric. We want youto take pride in operating this Lincoln Electric Company product••• as much

viviTABLE OF CONTENTSPageInstallation ...Section A

A-1INSTALLATION IDEALARC® DC-400A-1TECHNICAL SPECIFICATIONS – DC-400INPUT-THREE PHASE ONLYRATED OUTPUTHEIGHT WIDTH DEPTH WEIGHT27.50 in. 22.25 in. 3

A-2INSTALLATION IDEALARC® DC-400A-2SAFETY PRECAUTIONSCORRECT OPERATIONAL USEThe machine should be located in a clean dry placewhere there is free ci