TABLE OF CONTENTS
1: GENERAL INFORMATION ............................................................................................................... 1
1.1 Notes, Cautions and Warnings ........................................................................................ 1
1.2 Important Safety Precautions .......................................................................................... 1
1.3 Publications .................................................................................................................... 2
1.4 Note, Attention et Avertissement .................................................................................... 3
1.5 Precautions De Securite Importantes ............................................................................. 3
1.6 Documents De Reference ................................................................................................ 5
1.7 Declaration of Conformity ............................................................................................... 7
1.8 Statement of Warranty .................................................................................................... 8
2.0 INTRODUCTION ........................................................................................................................... 9
2.1 Scope Of Manual ............................................................................................................. 9
2.2 General Service Philosophy ............................................................................................. 9
2.3 Service Responsibilities .................................................................................................. 9
2.4 Technical Specifications ................................................................................................. 9
2.5 Dimensions .................................................................................................................. 10
3.0: SERVICE TROUBLESHOOTING .................................................................................................. 10
3.1 Introduction .................................................................................................................. 10
3.2 Periodic Inspection & Maintenance ............................................................................... 10
3.3 Common Cutting Faults ................................................................................................ 10
3.4 Common Operating Problems ........................................................................................ 11
3.5 Troubleshooting Guide .................................................................................................. 11
3.6 Torch & Leads Troubleshooting ..................................................................................... 14
4.0 REPAIRS & REPLACEMENT PROCEDURES ................................................................................... 14
4.1 General Information ..................................................................................................... 14
4.2 Removing Cover/Handle ............................................................................................... 15
4.3 Torch Head Assembly Replacement ............................................................................... 15
4.4 Torch Switch Only Replacement .................................................................................... 16
4.5 Capacitor Replacement ................................................................................................. 17
4.6 Control PC Board Replacement ...................................................................................... 17
4.7 Power Relay Replacement ............................................................................................. 17
4.8 ON/OFF Power Switch Replacement .............................................................................. 18
4.9 Fan Replacement .......................................................................................................... 18
4.10 Diode Bridge Rectifier Replacement ............................................................................ 18
4.11 Resistor Replacement ................................................................................................. 19
4.12 Transformer/Ferrite Core Assembly Replacement ...................................................... 19
4.13 Input Voltage Changeover (For 208/230 VAC Service Only) ......................................... 19
4.14 Torch & Leads Replacement ....................................................................................... 20
4.15 Work Cable Replacement ............................................................................................. 20
4.16 Primary Input Power Cable Replacement ..................................................................... 21
5.0 PARTS LIST ............................................................................................................................... 21
5.1 Returns ......................................................................................................................... 21
5.2 Power Supply Replacement Parts ................................................................................... 22
5.3 Parts Replacement ........................................................................................................ 24
5.4 Options & Accessories (not shown) ................................................................................ 24
5.5 Torch Replacement Parts .............................................................................................. 25
APPENDIX I: INTERCONNECTING DIAGRAM .................................................................................... 26