Lincoln Electric IM734 LN-15 WIRE FEEDER - Manual (Page 7)

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TABLE OF CONTENTS
Page
Installation.......................................................................................................................Section A
Technical Specifications .......................................................................................................A-1
Safety Precautions ...............................................................................................................A-2
Location ................................................................................................................................A-2
High Frequency Protection ...................................................................................................A-2
Weld Cable Connections ......................................................................................................A-2
Electrode Connection ...........................................................................................................A-2
Work Connection ..................................................................................................................A-2
Power Source Connection....................................................................................................A-2
Connection Diagram.............................................................................................................A-3
Guns and Cables..................................................................................................................A-3
Electrode Polarity .................................................................................................................A-3
Control Cable Connections ..................................................................................................A-3
Procedure to Install Drive Rolls and Wire Guides ................................................................A-4
Feeding Wire Electrode ........................................................................................................A-4
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Operation.........................................................................................................................Section B
Safety Precautions ...............................................................................................................B-1
Graphic Symbols that appear on this Machine or in this Manual .........................................B-1
General Description..............................................................................................................B-2
Duty Cycle ............................................................................................................................B-2
Recommended Processes ...................................................................................................B-2
Recommended Equipment ...................................................................................................B-2
Processes Limitations ..........................................................................................................B-2
Operational Features and Controls .....................................................................................B-3
Case Front Controls .............................................................................................................B-3
Dual Procedure ....................................................................................................................B-3
LN-15 P
OWER U P S EQUENCE ...........................................................................................B-4,B-5
Internal Controls ...................................................................................................................B-6
Spring Tension Arm..............................................................................................................B-6
Cold Feed/Gas Purge Switch ...............................................................................................B-6
Spindle Brake .......................................................................................................................B-6
Flow Meter............................................................................................................................B-6
Shielding Gas Connection .............................................................................................B-6,B-7
Constant Current Operation .................................................................................................B-7
Setting Arc Sensing Wire Feed Speed for Constant Current ...............................................B-8
Making a Weld......................................................................................................................B-9
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Accessories ....................................................................................................................Section C
Factory Installed Equipment.................................................................................................C-1
Optional Equipment..............................................................................................................C-1
Electrode, K-Kit used ...........................................................................................................C-1
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Maintenance ....................................................................................................................Section D
Safety Precautions ...............................................................................................................D-1
Routine Maintenance ...........................................................................................................D-1
Periodic Maintenance...........................................................................................................D-1
Calibration Specification.......................................................................................................D-1
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Troubleshooting .................................................................................................................Section E
Safety Precautions ...............................................................................................................E-1
How to Use Troubleshooting Guide .....................................................................................E-1
Troubleshooting Guide ...........................................................................................E-2 thru E-4
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Wiring Diagram & Dimension Prints .............................................................................Section F
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Parts Pages .............................................................................................................................P414
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