TABLE OF CONTENTS
vi
MAX200
Service Manual
14
Seguridad de toma a tierra ....................................................................................................................................................................1b-5
Seguridad de los equipos de gas comprimido .................................................................................................................................1b-6
Los cilindros de gas pueden explotar si están dañados.................................................................................................................1b-6
El ruido puede deteriorar la audición ..................................................................................................................................................1b-6
Operación de marcapasos y de audífonos ........................................................................................................................................1b-6
Un arco plasma puede dañar tubos congelados .............................................................................................................................1b-6
Etiquetas de advertencia........................................................................................................................................................................1b-7
Section 2 INTRODUCTION & SPECIFICATIONS
....................................................................................................................2-1
General .........................................................................................................................................................................................................2-2
Product Specifications..............................................................................................................................................................................2-3
MAX200 Power Supplies ..............................................................................................................................................................2-3
MAX200 CE Power Supplies .......................................................................................................................................................2-4
PAC200T (90° & 65°) Cutting/PAC200E (65°) Gouging/MAX200 Rev 1 90° Hand Torches ...................................2-5
MAX200 Rev 1 Machine Torch ....................................................................................................................................................2-5
Switch Remote (SR) V/C Control................................................................................................................................................2-5
Digital Remote (DR) V/C Control.................................................................................................................................................2-6
Programmable Remote (PR) V/C Control..................................................................................................................................2-6
Initial Height Sensing ......................................................................................................................................................................2-6
Water Muffler ....................................................................................................................................................................................2-6
Section 3 MAINTENANCE..................................................................................................................................................
3-1
Introduction ..................................................................................................................................................................................................3-2
Routine Maintenance.................................................................................................................................................................................3-3
Torch and Torch Leads ..................................................................................................................................................................3-3
Torch Coolant ...................................................................................................................................................................................3-3
Power Supply....................................................................................................................................................................................3-3
Theory of Operation: “Chopper” Power Supply..................................................................................................................................3-4
Introduction .......................................................................................................................................................................................3-4
Circuit Description...........................................................................................................................................................................3-4
Theory of Operation: High Frequency ...................................................................................................................................................3-6
Introduction .......................................................................................................................................................................................3-6
Circuit Description...........................................................................................................................................................................3-6
Sequence of Events...................................................................................................................................................................................3-7
Initial Checks.............................................................................................................................................................................................3-13
Troubleshooting .......................................................................................................................................................................................3-16
Test Procedures.......................................................................................................................................................................................3-30
Arc Transfer Test Procedure ......................................................................................................................................................3-30
Chopper Module Test Procedure..............................................................................................................................................3-31
Voltage Divider Test Procedure (Machine-Torch Systems) ................................................................................................3-33
MAX200 Rev 1 90° Hand Torch Removal and Replacement ......................................................................................................3-34
Removal ...........................................................................................................................................................................................3-34
Replacement...................................................................................................................................................................................3-34
MAX200 Rev 1 90° Hand Torch Lead Set and Individual Leads Removal and Replacement .............................................3-36
Torch Lead Set ..............................................................................................................................................................................3-36
Removal ......................................................................................................................................................................................3-36
