ABB PGC2000 Operation And Service Manual page 12

Removing the Catalytic Tubes ........................................................................................................... 8-36
Installing the Catalytic Tubes ............................................................................................................. 8-36
Packing the Housing .......................................................................................................................... 8-37
Installing the Methanizer/Air Cleanup Assembly ............................................................................... 8-37
Air Cleanup Testing ........................................................................................................................... 8-38
Air Cleanup Final Preparation ........................................................................................................... 8-38
REPAIRING THE CARRIER GAS PANEL (ANALOG) ............................................................................ 8-39
Removing the Carrier Gas Panel ....................................................................................................... 8-39
Replacing a Regulator ....................................................................................................................... 8-41
Replacing a Gauge ............................................................................................................................ 8-41
Installing the Carrier Gas Panel ......................................................................................................... 8-41
REPAIRING THE EPC CONTROL ASSEMBLY...................................................................................... 8-42
Preparation ........................................................................................................................................ 8-42
Removing the EPC Control Assembly ............................................................................................... 8-43
Installing the EPC Control Assembly ................................................................................................. 8-44
Removing a Sensor PCB ................................................................................................................... 8-44
Installing a New Sensor PCB ............................................................................................................ 8-46
Removing a Proportional Valve ......................................................................................................... 8-47
Installing a New Proportional Valve ................................................................................................... 8-48
Removing the Control PCB ............................................................................................................... 8-48
Installing a New Control PCB ............................................................................................................ 8-49
Removing the Heater ......................................................................................................................... 8-49
Installing a New Heater ..................................................................................................................... 8-50
CALIBRATING THE ELECTRONIC PRESSURE CONTROLLER .......................................................... 8-50
REPAIRING PURGE AIR PANEL COMPONENTS ................................................................................. 8-53
Removing the Purge Air Panel .......................................................................................................... 8-53
Replacing a Regulator ....................................................................................................................... 8-53
Replacing a Gauge ............................................................................................................................ 8-54
Installing the Purge Air Panel ............................................................................................................ 8-54
SETTING JUMPERS ............................................................................................................................... 8-54
Backplane PCB.................................................................................................................................. 8-55
DTC Backplane PCB ......................................................................................................................... 8-56
DTC Zone PCB .................................................................................................................................. 8-57
VAC Conditioning PCB ...................................................................................................................... 8-58
Front Panel PCB ................................................................................................................................ 8-58
FID Amplifier PCB.............................................................................................................................. 8-59
Filament TCD Amplifier PCB ............................................................................................................. 8-59
Thermistor TCD Amplifier Interface PCB .......................................................................................... 8-60
EPC Multibus PCB ............................................................................................................................ 8-61
EPC Control PCB .............................................................................................................................. 8-61
Chroma I/O PCB (old type) ................................................................................................................ 8-62
Chroma I/O PCB (new type) .............................................................................................................. 8-62
VALCO DIAPHRAGM VALVE REPAIR ................................................................................................... 8-63
Removing the Valve .......................................................................................................................... 8-63
Repairing the Valve ........................................................................................................................... 8-63
Reinstalling the Valve ........................................................................................................................ 8-65
VistaNET DEBUG MONITOR .................................................................................................................. 8-65
Purpose ............................................................................................................................................. 8-65
Making the Connections .................................................................................................................... 8-65
Startup ............................................................................................................................................... 8-66
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TABLE OF CONTENTS (continued)
Title Page
2000-OSM, F2