Pump Maintenance
To maintain optimum performance of the Agilent 355 SCD and 255 NCD, routine replacement of the chemical trap (for ozone destruction), oil coalescing filter and oil (Edwards
It is beneficial to keep a maintenance log that tracks when maintenance is performed and any instrument or operational changes that might impact performance. Also keep track of detector flow rates (oxidizer and hydrogen), pressures (burner controller and reaction cell in detector), and background signal (the difference between ozone “on” and ozone “off”).
Table 3 Operating Life of Components for Edwards RV5 Vacuum Pump
Component/Material | Operating life* |
Chemical Trap (RV5) | ~ 3 month |
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Oil Coalescing Filter (RV5) | ~ 3 months |
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Pump oil† | ~ 3 months |
*The operating life is based on the total time logged during operation of the Detector with the Burner and the ozone generator ON.
†Pump oil can be purchased from a supplier or directly from Agilent: SAE
82 | Operation and Maintenance Manual |