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Hypertherm powermax1250 - Insurance, Codes, and Disposal

Hypertherm powermax1250
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TABLE OF CONTENTS
4
iv powermax1250 Service Manual
Peligro…Advertencia…Precaución ........................................................................................................................1b-2
Los cortes pueden provocar incendios o explosiones ............................................................................................1b-2
Prevención ante el fuego, Prevención ante explosiones ...............................................................................1b-2
Peligro de explosión argón-hidrógeno y metano............................................................................................1b-2
Detonación de hidrógeno con el corte de aluminio ........................................................................................1b-2
El choque eléctrico puede provocar la muerte .......................................................................................................1b-3
Prevención ante el electrochoque..................................................................................................................1b-3
Los cortes pueden producir humos tóxicos ............................................................................................................1b-3
El arco de plasma puede causar lesiones y quemaduras ......................................................................................1b-4
Antorchas de encendido instantáneo.............................................................................................................1b-4
Los rayos del arco pueden producir quemaduras en los ojos y en la piel ..............................................................1b-4
Protección para los ojos, Protección para la piel, Área de corte....................................................................1b-4
Seguridad de toma a tierra .....................................................................................................................................1b-4
Cable de trabajo, Mesa de trabajo, Potencia primaria de entrada.................................................................1b-4
Seguridad de los equipos de gas comprimido........................................................................................................1b-5
Los cilindros de gas pueden explotar si están dañados .........................................................................................1b-5
El ruido puede deteriorar la audición ......................................................................................................................1b-5
Operación de marcapasos y de audífonos .............................................................................................................1b-5
Un arco plasma puede dañar tubos congelados ....................................................................................................1b-5
Etiqueta de advertencia ..........................................................................................................................................1b-6
Section 2 SPECIFICATIONS
Power supply ............................................................................................................................................................2-2
Dimensions and weight ....................................................................................................................................2-3
T80 torches...............................................................................................................................................................2-4
Dimensions ......................................................................................................................................................2-5
Symbols and markings .............................................................................................................................................2-6
S Mark.............................................................................................................................................................2-6
IEC symbols .....................................................................................................................................................2-6
Section 3 MAINTENANCE
Controls and indicators .............................................................................................................................................3-3
Indicator LEDs..................................................................................................................................................3-3
Theory of operation...................................................................................................................................................3-4
General ............................................................................................................................................................3-4
Functional description ......................................................................................................................................3-4
Sequence of operation .....................................................................................................................................3-5
Troubleshooting preparation .....................................................................................................................................3-6
Test equipment.................................................................................................................................................3-6
Troubleshooting procedures and sequence .....................................................................................................3-6
External inspection...........................................................................................................................................3-6
Internal inspection
............................................................................................................................................3-7
Initial resistance check..............................................................................................................................................3-7
Check power switch .........................................................................................................................................3-8
Hypertherm
IGBT tester ...................................................................................................................................3-9
Indicator LEDS and device tests ......................................................................................................................3-9
IGBT test preparation.....................................................................................................................................3-10
IGBT
device test using the Hypertherm tester ...............................................................................................3-10
Troubleshoot the Hypertherm IGBT tester .....................................................................................................3-11
Schematic for building an IGBT tester............................................................................................................3-11
IGBT device test using non-Hypertherm tester ..............................................................................................3-12
Troubleshooting guide ............................................................................................................................................3-14

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