Lincoln Electric IM994 RED-D-ARC LN-25 PRO EXTREME (CE) User Manual
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TABLE OF CONTENTS
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Installation.......................................................................................................................Section A
Technical Specifications .......................................................................................................A-1
Safety Precautions ...............................................................................................................A-2
Location ................................................................................................................................A-2
High Frequency Protection ...................................................................................................A-2
Weld cable Sizes ..................................................................................................................A-2
Cable Connections and Control Cable Connector ...............................................................A-3
Shielding Gas Connection ....................................................................................................A-3
Wire Drive Configuration ......................................................................................................A-4
Changing The Gun Receiver Bushing ................................................................................A-4
Procedure to Install Drive Rolls and Wire Guides ..............................................................A-4
Pressure Arm Adjustment ....................................................................................................A-5
Loading Spools of Wire ........................................................................................................A-5
Gun Connections..................................................................................................................A-5
Power Source to LN-25™ Pro Dual Power Cable Connection Diagrams ..............A-6 thru A-8
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Operation.........................................................................................................................Section B
Safety Precautions ...............................................................................................................B-1
Graphic Symbols that appear on this Machine or in this Manual .........................................B-1
Definition of Welding Terms .................................................................................................B-2
General Description..............................................................................................................B-2
Recommended Processes, Process & Equipment Limitations, Recommended Power Sources........B-2
Wire Feed Speed CV and CC, Arc Volts.......................................................................B-3
Case Front Controls .............................................................................................B-4, B-5, B-6
Internal Controls ...........................................................................................................B-7, B-8
Constant Current Wire Welding............................................................................................B-9
Rear Controls .....................................................................................................................B-10
Gas Purge Pushbutton, Flow Meter ...................................................................................B-11
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Accessories ....................................................................................................................Section C
Factory Installed Equipment.................................................................................................C-1
Drive Roll Kits used ..............................................................................................................C-1
Accessories Used ..................................................................................................C-2 thru C-5
Installation of Water Cooling Kit ...........................................................................................C-6
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Maintenance ....................................................................................................................Section D
Safety Precautions ...............................................................................................................D-1
Routine Maintenance ...........................................................................................................D-1
Periodic Maintenance...........................................................................................................D-1
Calibration Specification ................................................................................................D-1,D-2
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Troubleshooting .............................................................................................................Section E
How to Use Troubleshooting Guide .....................................................................................E-1
Digital Display Models Error Codes......................................................................................E-2
Troubleshooting Guide .................................................................................................E-3, E-4
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Wiring Diagram & Dimension Prints .............................................................................Section F
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Parts Pages ................................................................................................................P-593 Series
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