Thermo Scientific thermoscientific Vanquish Pumps C, Руководство по эксплуатации

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7 • Maintenance and Service
Pumps C, Pumps F ( VC-Pxx, VF-Pxx)
Operating Manual Page 151
16. Inspect all flow connections on the pump head for indications of
leakage. Tighten leaky connections when the system pressure is
down to zero.
17. In the Chromeleon software, consider updating the Predictive
Performance information for the piston seals.
18. Optional: Test the system wash system and pump for leakage (see
Testing the Seal Wash System for Leakage ( } page 130) and Testing
the Pump for Leakage (General Test) ( } page 179) ).
19. Recommended: From the Chromeleon software, perform
performance qualification for the pump:
¨
Run the pump-specific Performance Qualification tests (PQ
tests) (= Flow Precision Test and Gradient Accuracy Test). For
details, refer to the
Operational and Performance Qualifications
manual .
¨
When the tests are completed, execute the QualificationDone
command.
7.6.6 Recommendations for New Piston Seals
When
When new piston seals have been installed
TIP The actions recommended in this section directly influence pump
performance and the piston seal life cycle.
Items required
• Backpressure capillary (length: 15 m) and Viper union (from the
Diagnostics tool kit)
• nanoViper™ capillary (length: 750 mm, inner diameter: 75 µm)
• Silicone tubing
• Isopropanol
• Solvent suitable for your application
Recommendations
• Allow new piston seals to run in.
• Never run the pump dry.
Running the pump dry can damage the pistons or piston seals.