Lincoln Electric DC-400 Welder User Manual


 
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Technical Specifications ........................................................................................A-1
Safety Precautions..........................................................................................A-2
Correct Operational use..................................................................................A-2
Stacking and Lifting.........................................................................................A-2
Input Power Connections................................................................................A-2
Output Connections ........................................................................................A-3
Installation of Field Installed Options.....................................................................A-3
K843 Amptrol Installation Instructions ...................................................................A-4
Installation of Equipment Requied for Recommended Processes..........A-5 Thru A-6
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Safety Precautions.................................................................................................B-1
Meaning of Graphic Symbols...................................................................B-1 thru B-3
General Machine Description ................................................................................B-4
Recommended Processes & Equipment...............................................................B-4
Operational Features and Control .........................................................................B-4
Power Source Operation and Controls ....................................................B-5 thru B-7
Auxiliary Power Connections ..........................................................................B-8
Solid State Output Control ..............................................................................B-8
Case Features.................................................................................................B-8
Stick Welding ..................................................................................................B-9
Paralleling .......................................................................................................B-9
Machine & Circuit Protection...........................................................................B-9
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TIG Welding Options / Accessories.......................................................................C-1
Optional Equipment .............................................................................................
C-1 thru C-2
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Safety Precautions ................................................................................................D-1
Routine Maintenance.............................................................................................D-1
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Safety Precautions.................................................................................................E-1
How to Use Troubleshooting Guide.......................................................................E-1
Troubleshooting Guide.............................................................................E-2 thru E-5
Procedure for Replacing P.C. Boards............................................................E-6, E-7
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