Lincoln Electric K1780-1 Welder User Manual


 
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TABLE OF CONTENTS
Page
Installation .......................................................................................................Section A
Technical Specifications.......................................................................................................A-1
Safety Precautions ...............................................................................................................A-2
Mounting the Wire Drive Unit ........................................................................................A-2
Electrode Routing..........................................................................................................A-2
Electrode and Work Cable Connections .......................................................................A-2
Negative Electrode Polarity...........................................................................................A-3
Shielding Gas Connection.............................................................................................A-3
Control Cable .......................................................................................................................A-3
Control Cable Connections ...........................................................................................A-3
Control Cable Specifications .........................................................................................A-4
Wire Drive Gear Ratio (High or Low Speed) .................................................................A-4
Selecting the Proper Gear Ratio ...................................................................................A-4
Changing the Wire Drive Ratio......................................................................................A-5
Wire Feed Drive Roll Kits ..............................................................................................A-6
Procedure to Install Drive Rolls and Wire Guides .........................................................A-6
Drive Roll Kit Installation (KP1505-[ ]),(KP1507-[ ]) .................................................A-6
General Gun Connection Guidelines ............................................................................A-6
Gun Receiver Bushings and Adapters ..........................................................................A-7
Conduit Adapters ..........................................................................................................A-7
Remote Sense Lead Specifications ..............................................................................A-7
Installation of Field Installed Options ............................................................................A-7
Feeding Electrode and Brake Adjustment.....................................................................A-8
Drive Roll Pressure Setting ...........................................................................................A-8
Operation .........................................................................................................Section B
Safety Precautions ..............................................................................................................B-1
Duty Cycle.....................................................................................................................B-1
General Description ......................................................................................................B-1
Recommended Processes ............................................................................................B-1
Process Limitations .......................................................................................................B-1
Recommended Equipment / Interface...........................................................................B-1
Accessories.....................................................................................................Section C
Optional Equipment..............................................................................................................C-1
Drive Roll and Guide Tube Kits............................................................................................C-1
Maintenance ....................................................................................................Section D
Safety Precautions ...............................................................................................................D-1
Routine Maintenance ....................................................................................................D-1
Drive Rolls and Guide Tubes.............................................................................D-1
Avoiding Wire Feeding Problems..................................................................................D-1
Periodic Maintenance ...................................................................................................D-1
Procedure for Removing Feedplate from Wire Feeder ...........................................D-1
Troubleshooting..............................................................................................Section E
Safety Precautions ...............................................................................................................E-1
Troubleshooting Guide ...........................................................................................E-2 thru E-4
Diagrams ..........................................................................................................Section F
Wiring Diagram ......................................................................................................F-1
Dimension Print......................................................................................................F-2
Parts Lists...................................................................................................P-381 Series