Agilent Technologies G6600-90006 manual Wa R N I N G

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8Clean any deposits on the optical filter using a soft cloth or Kimwipe dampened with methanol or deionized (DI) water. Do not leave fingerprints or fibers on the cleaned filter. Deposits inside the reaction cell can be cleaned in the same manner, however, care must be taken to avoid bending the ozone inlet tube that extends into the cell.

9Reseat the pass filter into the PMT housing. Confirm that the two o-rings around the reaction cell are properly seated in the O-ring grooves (see Figure 24). Carefully re-align the reaction cell to the PMT housing, making sure the o-rings remain properly seated, and secure the cell to the housing with the three screws. (The two o-rings must be correctly seated in order to obtain a vacuum-tight and light-tight seal.)

10To re-install the PMT, minimize all light sources. Remove the PMT cap, being careful not to touch the PMT window. Insert the PMT and the socket assembly into the PMT housing and screw in the socket assembly until it is seated tightly against the housing. The room lights may now be turned on.

11Reconnect the PMT high voltage cable to the MHV connector (longer connector) and the PMT signal cable to the BNC connector (shorter connector) at the back of the socket assembly (see Figure 23).

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The high voltage and signal cables must be attached to the proper connectors on the pmt

socket; damage to the pmt will occur if the cables are not properly connected.

 

 

 

12While the side panel is still removed, reconnect the AC power cord to the Detector and switch the front panel power to ON. To ensure that the o-rings have been properly sealed, monitor the Detector baseline at "attenuation 1" for several minutes (with the room light ON), and after noting the baseline signal, turn the room lights OFF. If the baseline signal significantly decreases, the o-rings are incorrectly positioned and the PMT must be removed and the cell re-installed.

13If no change in the baseline is observed, check the system for vacuum leaks by turning on the vacuum pump and monitoring the pressure as described in Section 7. If the pressure readings are comparable to start-up values, the o-rings are properly positioned. If a significantly higher pressure is observed, the PMT must be removed and the cell re-installed.

Operation and Maintenance Manual

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Contents Operation and Maintenance Manual Manual Part Number WarrantySafety Notices AcknowledgementsWA R N I N G EnglishIs not in use Español Français Deutsch Italiano Veiligheidsvoorzieningen niet meer DutchFollowing symbols are used on the equipment Contents Overview InstallationOperation Front Panel Controls and Initial StartupPump Maintenance MaintenanceIndex TroubleshootingOperation and Maintenance Manual Introduction Operation and Maintenance Manual System Description Specifications Technical Information 355 SCDTechnical Information 255 NCD Power requirements Physical SpecificationsVoltage Theory of Operation Sulfur Chemiluminescence DetectorNitrogen Chemiluminescence Detector Dual Plasma Burner with the 355 SCD Dual Plasma ControllerDual Plasma Burner Description of Major ComponentsCross-Section of the Dual Plasma Burner for the 355 SCD Cross-Section of the Dual Plasma Burner for the 255 NCD Chemiluminescence Reaction Cell and Photomultiplier Tube Ozone Generator355 SCD Left Side 355 SCD Right Side 255 NCD Left Side View Vacuum Pump Pressure TransducerNCD Reaction Cell Chemical TrapOil Coalescing Filter FID Adapter OptionalNCD Photomultiplier Tube and Cooler Schematic for 355 SCD Schematic for 255 NCD, in Nitrogen Mode Schematic for 255 NCD, in Nitrosamine Mode Operation and Maintenance Manual Installation Overview Selecting a Location Power RequirementsCombustion Gas Requirements Environmental ConsiderationsTwo-stage pressure regulators Venting Gases Unpack and Inspect the Instrument Required Installation ToolsInstalling the Edwards RV5 Pump Oil-Sealed Vacuum Pump Set Up the Vacuum PumpWA R N I N G Ard RV5 Oil-Sealed Vacuum Pump and Associated Traps Front Side RV5 Oil- Sealed Vacuum Pump and Associated Traps Top Setting the Gas Ballast Position RV5 Installing the Welch Dry Piston Vacuum Pump Operation Notes Welch Pump Welch Dry Piston Pump Operation and Maintenance Manual SCD 230 V Unit Rear Panel Diagram Connect the Power CordInstall the Dry Compressed Air or O2 Supply Install the Signal Output Cables Additional information Install the Dual Plasma BurnerDual Plasma Controller Rear Panel Install the Dual Plasma ControllerInstall Column Connections Capillary ColumnsPacked Columns and Columns with an Outside Diameter 0.8 mm Install the Transfer Line Front Panel Controls and Initial Startup Detector Front Panel Controls Power ControlsDisplay Output Controls Signal ControlsDual Plasma Controller Front Panel Dual Plasma Controller ControlsVacuum Test Initial StartupRecorder Test Initial Checkout Detector Interface SetupIgnition Operation Start-Up Procedure Coking Detector OperationDetector Stability and Response Column BleedFluctuating Pressures Contaminated GasesTypical Operating Conditions Typical Operating ConditionsExpected Detection Limits for Chromatographic Conditions Detection LimitsInstrument Shut-Down Daily ShutdownComplete Shutdown Special Operating Modes Using the 255 NCD in Nitrosamine ModeOperation and Maintenance Manual Operation and Maintenance Manual Maintenance Operating Life of Components for Edwards RV5 Vacuum Pump Pump MaintenanceCleaning the Detector Changing the Oil Mist Filter RV5 Equipment Reaction Cell CleaningReaction Cell, PMT Housing and PMT Socket WA R N I N G Flow Sensor Calibration MDL Detector SensitivitySCD Proper Ferrule Orientation to the Large Ceramic Tube Orientation of the Double Taper Ferrule Tightening the Heater Swivel Nut Operation and Maintenance Manual NCD Proper Ferrule Orientation to the Large Quartz Tube Burner Assembly Detail Tube Replacement for the SCD Positioning the Upper Tube in the Union Fitting 100 Operation and Maintenance Manual Operation and Maintenance Manual 101 Tube Replacement for the NCD Operation and Maintenance Manual 103 NCD Tube Replacement Detail Troubleshooting Solving Detector Problems Dual Plasma Controller Fuses Power ProblemsDetector Fuse Vacuum Pump FuseFuse Positions on the Power Supply Board High Voltage Transformer Ozone Generation ProblemsPlugged Restrictor Lines Response Problems Temperature Reading Problems Troubleshooting Detector Issues Diagnosing General ProblemsDetector gases Troubleshooting Pump Issues Troubleshooting Burner Issues Index Agilent Technologies, Inc
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