Hypertherm powermax600 - Page 26

MAINTENANCE
3-1
powermax600 Service Manual
Section 3
MAINTENANCE
In this section:
CONTROLS AND INDICATORS ............................................................................... 3-2
INDICATOR LAMPS.................................................................................................. 3-2
CONTROLS. ............................................................................................................. 3-2
THEORY OF OPERATION ....................................................................................... 3-3
GENERAL ................................................................................................................. 3-3
230/400 VOLT FUNCTIONAL DESCRIPTION.......................................................... 3-4
208-240/480 VOLT FUNCTIONAL DESCRIPTION .................................................. 3-6
SEQUENCE OF OPERATION .................................................................................. 3-8
TROUBLESHOOTING .............................................................................................. 3-9
TEST EQUIPMENT................................................................................................... 3-9
TROUBLESHOOTING PROCEDURES AND SEQUENCE ...................................... 3-9
VISUAL INSPECTION - EXTERNAL ........................................................................ 3-9
VISUAL INSPECTION - INTERNAL.......................................................................... 3-10
RESISTANCE CHECKS ........................................................................................... 3-11
TROUBLESHOOTING GUIDE.................................................................................. 3-14
VOLTAGE CHECKS .................................................................................................. 3-21
COMPONENT REPLACEMENT ............................................................................... 3-26
POWER CORD REPLACEMENT ............................................................................. 3-26
TORCH LEAD REPLACEMENT (MODELS WITHOUT QUICK DISCONNECT)...... 3-27
AIR FILTER ELEMENT REPLACEMENT ................................................................. 3-28
WORK CABLE REPLACEMENT .............................................................................. 3-30
CAPACITOR REPLACEMENT.................................................................................. 3-31
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