Hypertherm Powermax 85

6-1 powermax 65/85 Service Manual
Section 6
COMPONENT REPLACEMENT
In this section:
Remove and replace the power supply cover and Mylar® barrier ..............................................................................................6-2
Remove the power supply cover and Mylar barrier ..............................................................................................................6-2
Replace the Mylar barrier ............................................................................................................................................................6-3
Replace the power supply cover ..............................................................................................................................................6-4
Replace the power cord ........................................................................................................................................................................6-5
Replace the power cord (200 - 600 V 3-phase CSA, 400 V 3-phase CE) ..................................................................6-5
Replace the power cord (200 - 480 V 1-phase CSA) .................................................................................................... 6-10
Replace the work lead ........................................................................................................................................................................ 6-11
Replace the fan .................................................................................................................................................................................... 6-12
Replace the air filter element ............................................................................................................................................................. 6-14
Replace the air filter subassembly ................................................................................................................................................... 6-15
Replace the power board .................................................................................................................................................................. 6-17
Remove the DSP board ........................................................................................................................................................... 6-17
Replace the power board (380/400V CE) ......................................................................................................................... 6-19
Replace the power board (200-600V CSA) ...................................................................................................................... 6-22
Install the DSP board ............................................................................................................................................................... 6-25
Replace the Mylar barrier and power supply cover. .......................................................................................................... 6-26
Replace the control board ................................................................................................................................................................. 6-27
Replace the heat sink components ................................................................................................................................................. 6-29
65A CSA ..................................................................................................................................................................................... 6-30
65A CE ........................................................................................................................................................................................ 6-31
85A CSA ..................................................................................................................................................................................... 6-32
85A CE ........................................................................................................................................................................................ 6-33