Lincoln Electric IM812-A User Manual
Page 7
vi
vi
TABLE OF CONTENTS
Page
INSTALLATION SECTION ......................................................................................................................A
Technical Specifications .....................................................................................................................A-1
Safety Precautions .............................................................................................................................A-2
Power Source Connections ................................................................................................................A-2
Gun Cable Connection to Feeder ......................................................................................................A-3
Weld Cable Connection......................................................................................................................A-4
Electrode Cable Connection ..........................................................................................................A-4
Work Cable Connection .................................................................................................................A-4
Drive Roll Installation .........................................................................................................................A-4
______________________________________________________________________________________
OPERATION ............................................................................................................................SECTION B
Safety Precautions .............................................................................................................................B-1
General Description............................................................................................................................B-1
Recommended Processes and Equipment ........................................................................................B-1
Welding Capability .............................................................................................................................B-1
LN-35 Instruments and Controls .......................................................................................................B-1
Work Clip Lead ..................................................................................................................................B-2
Wire reel Loading-50 and 60 LB. .......................................................................................................B-2
Loading Wire Drive ........................................................................................................................B-3
Idle Roll Pressure Setting ..............................................................................................................B-3
Presetting Wire Feed Speed ..........................................................................................................B-4
Making a Weld ...............................................................................................................................B-5
Procedure at End of Coil....................................................................................................................B-6
Open Arc Welding with a Constant Current .......................................................................................B-6
Automatic Protection Shutdown .........................................................................................................B-7
_______________________________________________________________________________________
MAINTENANCE .......................................................................................................................SECTION D
Safety Precautions .............................................................................................................................D-1
Routine Maintenance .........................................................................................................................D-1
Circuit Protection and Automatic Shutdown .......................................................................................D-1
Adjusting Speed Sensor Module ........................................................................................................D-2
Calibration of the LN-35 Wire Speed Dial ..........................................................................................D-2
_______________________________________________________________________________________
TROUBLESHOOTING GUIDE .................................................................................................SECTION E
How to Use the Troubleshooting Guide .............................................................................................E-1
Troubleshooting Guide.................................................................................................................E-2,E-3
_______________________________________________________________________________________
WIRING DIAGRAMS ..............................................................................................................................F-1
_______________________________________________________________________________________