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6 810410 Field Service Bulletin XPR170

Remove the chopper .................................................................................................................. 32

Install the chopper....................................................................................................................... 34

Replace the control-side fans .............................................................................................................. 35

Remove the control-side fans .................................................................................................. 35

Install the control-side fans....................................................................................................... 37

Replace the 48 V power source.......................................................................................................... 38

Remove the 48 V power source.............................................................................................. 38

Install the 48 V power source .................................................................................................. 39

Replace the 24 V power source.......................................................................................................... 41

Replace the control transformer .......................................................................................................... 42

Remove the control transformer .............................................................................................. 42

Install the control transformer................................................................................................... 43

Replace the power distribution PCB.................................................................................................. 44

Replace the control PCB...................................................................................................................... 45

Replace the I/O PCB............................................................................................................................. 47

Replace the pilot arc relay..................................................................................................................... 48

Replace start circuit assembly ............................................................................................................. 49

Bottom-compartment parts .............................................................................................................................. 50

Replace an inductor ............................................................................................................................... 50

Remove an inductor.................................................................................................................... 50

Install an inductor ........................................................................................................................ 54

Rear-compartment parts ................................................................................................................................... 55

Replace the main contactor.................................................................................................................. 55

Remove the main contactor...................................................................................................... 55

Install the Siemens

main contactor....................................................................................... 56

Install the Allen-Bradley

or ABB

main contactor............................................................. 57

Replace the inrush resistor assembly................................................................................................. 59

Plasma power supply panels............................................................................................................................ 61

Remove the front panel.......................................................................................................................... 61

Remove the right-side (liquid-cooling-side) panel .......................................................................... 62

Remove the left-side (control-side) panel......................................................................................... 63

Remove the rear panel........................................................................................................................... 64

Remove the top panel ............................................................................................................................ 65

2 Gas Connect Consoles ............................................................................................................. 67

How to use push-to-connect fittings.............................................................................................................. 68

Replace the high-frequency, high-voltage transformer.............................................................................. 69

Replace the high-frequency, high-voltage PCB.......................................................................................... 71

Replace the coil assembly ................................................................................................................................ 73

Remove the coil assembly..................................................................................................................... 73

Install the coil assembly......................................................................................................................... 75