Lincoln Electric LN-25 PORTABLE CV/CC IM620-B - Manual (Page 7)

SAFETY ..............................................................................................................................................................i-iv
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
Wire Feed Drive Roll and Guide Tube Kits .................................................................................................A-4
OPERATION..........................................................................................................................................SECTION B
Safety Precautions ..........................................................................................................................................B-1
General Description.........................................................................................................................................B-1
Recommended Processes and Equipment ..................................................................................................B-1
Welding Capability ...........................................................................................................................................B-1
Controls and Settings......................................................................................................................................B-2
Sequence of Operation ...................................................................................................................................B-4
Loading Electrode .......................................................................................................................................B-4
Loading Wire Drive .....................................................................................................................................B-5
Idle Roll Pressure Setting ..........................................................................................................................B-5
Presetting Wire Feed Speed .....................................................................................................................B-6
Making a Weld.............................................................................................................................................B-7
Procedure at End of Coil ................................................................................................................................B-8
Automatic Protection Shutdown.....................................................................................................................B-8
ACCESSORIES ....................................................................................................................................SECTION C
LN-25 Option Chart .........................................................................................................................................C-1
Options and Accessories................................................................................................................................C-2
K430-2 Gas Solenoid Kit ...........................................................................................................................C-2
K434-1 Gas Flow Timer Kit .......................................................................................................................C-2
K460-1 Pulse Power Adapter Kit ..............................................................................................................C-3
K461 Pulse Power Control Cable Assembly...........................................................................................C-3
K443-2, K443-3 LN-25 Contactor Kits ....................................................................................................C-3
Remote Output Control Options and Control Cable Assemblies..............................................................C-3
K431-1 Remote Output Control Kit ..........................................................................................................C-3
K433 Power Source Remote Box.............................................................................................................C-4
K432 Remote Control Cable Assembly ...................................................................................................C-4
K439 Remote Extension Cable Assembly...............................................................................................C-4
K624-1 42V Remote Output Control Module ..........................................................................................C-4
K625, K626, K626 Remote Control Cable Assembly ............................................................................C-4
K444, K444-1 or K444-2 Remote Voltage Control Kit...........................................................................C-5
K557-1 Rear Handle Kit .............................................................................................................................C-5
MAINTENANCE ....................................................................................................................................SECTION D
Safety Precautions ..........................................................................................................................................D-1
Routine Maintenance ......................................................................................................................................D-1
Circuit Protection and Automatic Shutdown ................................................................................................D-1
Adjusting Speed Sensor Module ...................................................................................................................D-1
Calibration of the LN-25 Wire Speed Dial ...................................................................................................D-2
TROUBLESHOOTING GUIDE ............................................................................................................SECTION E
How to Use the Troubleshooting Guide .......................................................................................................E-1
Troubleshooting Guide....................................................................................................................................E-2
WIRING DIAGRAM ...............................................................................................................................SECTION F
PHYSICAL DIMENSIONS....................................................................................................................SECTION F
PARTS MANUAL ..............................................................................................................................P333 SERIES
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