Thermo Scientific Vanquish VF-D20, Operating Manual, Page: 127 / 182

7 • Maintenance and Service
Vanquish Charged Aerosol Detectors Operating Manual Page 127
7.6 Disconnecting the Waste Line
Parts and tools required
•
If no new waste line is to be installed
Seal plug for the waste outlet
• If the waste line is to be replaced
♦ Replacement waste line
♦ Tubing cutter (optional)
Preparations
1. Flush the detector with the detector gas flow being turned on. For
recommendations on flushing the detector, see section 7.4.2
Flushing the Detector Between Analyses, page 121 .
2. Turn off the pump flow and then the gas flow:
a) Turn off the pump flow to the detector. Wait at least 5 minutes.
During the waiting period, the detector drains any remaining
mobile phase to waste.
b) Turn off the gas flow on the detector.
c) Wait until the system pressure is down to zero before you
continue.
d) Turn off the gas supply to the detector.
3. Turn off the detector with the main power switch.
Follow these steps
1. On the waste outlet on the front of the detector, disconnect the
waste line.
2. Proceed as required:
♦ If no new waste line is to be installed
Close the waste outlet with the seal plug.
♦ If the waste line is to be replaced
Follow the steps in section 5.6.4 Connecting the Waste Line,
page 75 .