viiiviii 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
Analog Control Cable...........................................................................................................A-3
Cable Connections and Control Cable Connector...............................................................A-4
Shielding Gas Connection....................................................................................................A-4
Wire Drive Configuration......................................................................................................A-5
Changing The Gun Receiver Bushing................................................................................A-5
Procedure to Install Drive Rolls and Wire Guides..............................................................A-5
Pressure Arm Adjustment....................................................................................................A-5
Loading Spools of Wire........................................................................................................A-5
Gun Connections..................................................................................................................A-5
Power Source to LN™-25 PIPE Connection Diagrams...............................................A-6, A-7
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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, Equipment Limitations, Recommended Power Sources..........B-2
Case Front Controls...............................................................................................B-3 thru B-6
Internal Controls...................................................................................................................B-7
Internal Controls Decription..................................................................................................B-8
Rear Controls.......................................................................................................................B-9
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Accessories....................................................................................................................Section C
Factory Installed Equipment.................................................................................................C-1
Drive Roll Kits used..............................................................................................................C-1
Accessories Used..................................................................................................C-2 thru C-4
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Maintenance....................................................................................................................Section D
Safety Precautions...............................................................................................................D-1
Routine Maintenance...........................................................................................................D-1
Periodic Maintenance...........................................................................................................D-1
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Troubleshooting.............................................................................................................Section E
How to Use Troubleshooting Guide.....................................................................................E-1
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-651 Series
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