GE Sievers 900 Series, Operation And Maintenance Manual

Page: 142 / 236

GE Analytical Instruments ©2009 142 of 236 DLM 90488-01 Rev. A
9. The Analyzer will pump water into the 10-mL graduated cylinder for exactly 10 min. Then
the Analyzer will stop pumping, and it will ask you if the collection of the water was
satisfactory (for example, no spilling occurred no substantial air bubbles were observed).
If you want to repeat the water collection, dry the graduated cylinder and press
Repeat . If
the water collection was satisfactory, press Next to continue.
10. Measure the volume of water in the graduated cylinder to the nearest 0.1 mL. Using the
keypad on the display, enter the volume and press Enter . The volume should be between
3.0 and 7.0 mL; if it is not, follow the on-screen prompts to resolve the problem.
11. The Analyzer will automatically adjust the sample flow rate, and it will request you to verify
that the adjustment is accurate. To do so, first drain and dry the 10-mL graduated
cylinder. After you replace the waste line into the graduated cylinder, press
Next to
continue.
12. The Analyzer will pump water into the 10-mL graduated cylinder for exactly 10 min. Then
the Analyzer will stop pumping, and it will ask you if the collection of the water was
satisfactory. If you want to repeat the water collection, dry the graduated cylinder and
press
Repeat . If the water collection was satisfactory, press Next to continue.
13. Measure the volume of water in the graduated cylinder to the nearest 0.1 mL. Enter the
volume using the keypad on the display, then click Enter .
14. The sample flow rate calibration summary screen is then displayed (see Figure 22). The
Analyzer indicates if the sample flow rate calibration passed or failed based on the
following criterion:
• the adjusted sample flow rate must be between 0.48 and 0.52 mL/min
If this condition is satisfied, press Apply to accept the sample flow rate calibration and
continue.
If this condition is not satisfied, press the Cancel button to reject the sample flow rate
calibration. You may need to perform the sample flow rate calibration procedure again.
However, first check that the sample tubing has been installed correctly. Also, look for any
leaks inside the Analyzer and correct them. Consult the chapter called "Troubleshooting"
(starting on page page 195) to determine if there is another problem with the Analyzer.
15. Disconnect the 12" waste line and restore the original waste line.
To remove the 12" waste line, use a 7/16" open-end wrench to loosen the fitting from the
Waste port on the side of the Analyzer; store the 12" waste line in a secure, clean place.
Then, reattach the stainless steel tubing by removing the rubber plug and securing the 7/
16" nut to the
Waste port.