Lincoln Electric DC-400 specifications 1MAINTENANCED-1, Routine Maintenance

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D-1MAINTENANCED-1

WARNING

ELECTRIC SHOCK can kill.

• Have an electrician install and service this equipment.

• Turn the input power off at the fuse box before working on equipment.

• Do not touch electrically hot parts.

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Routine Maintenance

1.The fan motor has sealed bearings which require no service.

2.In extremely dusty locations, dirt may clog the air channels causing the welder to run hot. Blow out the machine at regular intervals.

3.In extremely dusty locations, dirt may accumulate on the remote control terminal strip TS1. Wipe or blow this terminal strip off at regular intervals. This is particularly important in damp locations.

DC-400

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Contents 10699 11038 11085 11128 11347 RED-D-ARC DC-400California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéOn-Line Product Registration Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents Vii Section DSection E Height Width Depth Weight InstallationTechnical Specifications DC-400 Output Maximum Open Circuit Voltage Auxiliary PowerDuty Lengths Cycle Machine LoadCable 400A 100% 500A 50%Remote Control Adapter Cable K864 Multiprocess Switch K804-1 Operation Multiprocess Switch Connection and Operation PurposeConnection of DC-400 to LN-22 or LN-25 DesignOutput Connections Auxiliary Power ConnectionsRemote Control Connections Case FeaturesMachine & Circuit Protection Thermal Protection Light STICK, TIG or AIR/CARBON ARC Multiprocess SwitchElectric Shock can kill OperationARC Force Control Dial ARC Control SwitchOutput Terminals Switch Voltmeter Switch Rating PlateDegree of protection provided by the enclosure IP214OPERATIONB-4 Earth Ground ConnectionSignifying the Earth Ground Connection DC-400 Recommended Processes & Equipment Duty Cycle Amps Volts Power Source OperationVoltmeter Switch Duty Cycle and Time PeriodPIN Lead no Function ARC Force Control Dial Effective only in CC modeARC Control Switch Effective only in CV FCAW/GMAW mode Front View of 14-PIN Connector Receptacle Machine and Circuit Protection Terminal Strip ConnectionsAccessories Factory Installed OptionsField Installed Options Undercarriages K817, K817R, K841 HI-FREQUENCY KIT K799 Codes 8634 and Above onlyRoutine Maintenance 1MAINTENANCED-1HOW to USE Troubleshooting Guide TroubleshootingContact your local Authorized Field Service Facility Output Control Local Your local Authorized Field Service FacilityPower I/0 Switch Check Procedure for Replacing PC BoardsConnecting the Remote Control to the Machine Fault Protection OperationPower Silicon Controlled Rectifier Test Remote Control CheckPower Diode Test Power Rectifier Bridge Assembly Checking ProcedureWiring Diagram for Code DiagramsPasted inside Number Wiring Diagram for Code 10699 and Above11085, 11128 Power Rectifier Bridge Diagram Type M12244-7 DC-400 32.00 15.39 30.92 30.02 +.11 Dimension PrintDC-400 Precaucion Warnung

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