SAFETY ..............................................................................................................................................................i-iv
INSTALLATION ....................................................................................................................................SECTION A
Technical Specifications .................................................................................................................................A-1
Safety Precautions ..........................................................................................................................................A-2
Power Source Connections............................................................................................................................A-2
Weld Cable Connection ..................................................................................................................................A-4
Electrode Cable Connection......................................................................................................................A-4
Work Cable Connection .............................................................................................................................A-4
OPERATION..........................................................................................................................................SECTION B
Safety Precautions ..........................................................................................................................................B-1
General Description.........................................................................................................................................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
K443-2, K443-3 LN-25 Contactor Kits ....................................................................................................C-3
K433 Power Source Remote Box.............................................................................................................C-4
K557-1 Rear Handle Kit .............................................................................................................................C-5
MAINTENANCE ....................................................................................................................................SECTION D
Safety Precautions ..........................................................................................................................................D-1
Routine Maintenance ......................................................................................................................................D-1
Adjusting Speed Sensor Module ...................................................................................................................D-1
TROUBLESHOOTING GUIDE ............................................................................................................SECTION E
WIRING DIAGRAM ...............................................................................................................................SECTION F
PHYSICAL DIMENSIONS....................................................................................................................SECTION F
PARTS MANUAL ..............................................................................................................................P333 SERIES
TABLE OF CONTENTS