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viii
TABLE OF CONTENTS
Page
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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 , 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™ Ironworker 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, Process & Equipment Limitations, Recommended Power Sources
........B-2
Case Front Controls .....................................................................................................B-3, B-4
WFS Calibration with Digital Meters .............................................................................B-5, B-6
Internal Controls ...........................................................................................................B-7, B-8
Rear Controls .......................................................................................................................B-9
Gas Purge Pushbutton.........................................................................................................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-3
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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-672 Series
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