ESAB LKB 400W - Table of Contents

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1. CONNECTION DIAGRAM, LKB400W ................................................................................................ 4
2. COMPONENT POSITIONS, CIRCUIT BOARD LA07 (A1) ................................................................ 6
2.1 DESCRIPTION OF BOARD LA07.................................................................................................... 8
3. COMPONENT POSITIONS, CIRCUIT BOARD LKC31 (A2) ............................................................. 9
3.1 CONTROL CIRCUIT FUNCTION LKC31 ........................................................................................ 10
3.1.1 POWER SUPPLY ....... ............................................................................................................... 10
3.1.2 START/STOP ............................................................................................................................. 10
3.1.3 CONTROL MODES-2 STROKE/MOTOR-TEST/4-STROKE ................................................... 10
3.1.4 WIRE FEED SPEED ................................................................................................................... 11
3.1.5 MOTOR CONTROL/DYNAMIC BRAKING .............................................................................. 12
3.1.6 BURNBACK TIME, CONTACTOR, GAS VALVE ...................................................................... 13
3.2 V/A-METER OPTION (STANDARD CONTROL) ........................................................................... 13
4.TECHNICAL DATA ............................................................................................................................... 15
5. LOAD CHARACTERISTIC ................................................................................................................... 15
6. INSTALLATION .................................................................................................................................. 16
7. INSTRUCTION FOR USE .................................................................................................................... 16
8. COOLING CIRCUIT DIAGRAM ........................................................................................................... 17
9. MAINTENANCE ................................................................................................................................... 18
10. ACCESORIES .................................................................................................................................... 18
10.1 V/A METER ALLEMBLY INSTRUCTION .................................................................................... 18
11. SPARE PARTS LIST ...................................................................................................................... 19