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MASTER TABLE OF CONTENTS
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Page
Safety.................................................................................................................................................i-iv
Installation.............................................................................................................................Section A
Technical Specifications..............................................................................................................A-2
Installing the LN-9GMA 2-Roll and 4-Roll Models ......................................................................A-3
Installing the LN-9F GMA 2-Roll and 4-Roll Models...................................................................A-3
Electrical Connections - LN-9 GMA and LN-9F GMA.................................................................A-4
Machine Grounding...................................................................................................................A-12
Work Cable Connection ............................................................................................................A-12
Connecting the Gun Cable to the Wire Feeder ........................................................................A-13
Hooking Up GMA Shielding Gas...............................................................................................A-14
Operation...............................................................................................................................Section B
Operating Instructions.................................................................................................................B-2
Safety Precautions......................................................................................................................B-2
General Description ....................................................................................................................B-3
Recommended Processes and Equipment.................................................................................B-3
Controls and Settings..................................................................................................................B-5
Drive Roll Installation ................................................................................................................B-10
Wire Loading.............................................................................................................................B-14
Idle Roll Pressure Setting .........................................................................................................B-18
Making a Test Weld and Adjusting Response and Starting ......................................................B-19
Procedure at End of Coil...........................................................................................................B-21
Security of Weld Procedure Settings ........................................................................................B-21
Accessories ..........................................................................................................................Section C
Auxiliary Equipment Contacts.....................................................................................................C-2
Optional Equipment and Accessories.........................................................................................C-2
Maintenance..........................................................................................................................Section D
Routine Maintenance..................................................................................................................D-2
Periodic Maintenance .................................................................................................................D-2
Gun and Cable Maintenance......................................................................................................D-3
Theory of Operation .............................................................................................................Section E
LN-9 GMA Wire Feeder
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