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6 809970 Field Service Bulletin XPR300

Install the chopper....................................................................................................................... 33

Replace the control-side fans .............................................................................................................. 34

Remove the control-side fans .................................................................................................. 34

Install the control-side fans....................................................................................................... 36

Replace the 48 V power source.......................................................................................................... 37

Remove the 48 V power source.............................................................................................. 37

Install the 48 V power source .................................................................................................. 38

Replace the 24 V power source.......................................................................................................... 40

Replace the control transformer .......................................................................................................... 41

Remove the control transformer .............................................................................................. 41

Install the control transformer................................................................................................... 42

Replace the power distribution PCB.................................................................................................. 43

Replace the control PCB...................................................................................................................... 44

Replace the I/O PCB............................................................................................................................. 46

Replace the pilot arc relay..................................................................................................................... 47

Replace start circuit assembly ............................................................................................................. 48

Bottom-compartment parts .............................................................................................................................. 49

Replace an inductor ............................................................................................................................... 49

Remove an inductor.................................................................................................................... 49

Install an inductor ........................................................................................................................ 53

Rear-compartment parts ................................................................................................................................... 54

Replace the main contactor.................................................................................................................. 54

Replace the inrush contactor ............................................................................................................... 56

Replace the inrush resistor assembly................................................................................................. 57

Plasma power supply panels............................................................................................................................ 59

Remove the front panel.......................................................................................................................... 59

Remove the right-side (liquid-cooling-side) panel .......................................................................... 60

Remove the left-side (control-side) panel......................................................................................... 61

Remove the rear panel........................................................................................................................... 62

Remove the top panel ............................................................................................................................ 63

2 Gas Connect Consoles ............................................................................................................ 65

How to use push-to-connect fittings.............................................................................................................. 66

Replace the high-frequency, high-voltage transformer .............................................................................. 67

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

Replace the coil assembly ................................................................................................................................ 71

Remove the coil assembly..................................................................................................................... 71

Install the coil assembly......................................................................................................................... 73

Replace the EMI filter......................................................................................................................................... 74

Replace the control PCB.................................................................................................................................. 75

Replace the 24 V power source...................................................................................................................... 76