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 157
Specific Steps After Piston Seal Replacement
If you replaced the piston seals together with the seal wash seals,
proceed with these steps:
1. Observe the recommendations for new piston seals (see
Recommendations for New Piston Seals ( } page 151) ).
2. In the Chromeleon software, consider updating the Predictive
Performance information for the piston seals.
3. 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.
7.6.8 Replacing the Pump Head Seals
When
Damage to pump head seals, leaky seals
Parts and tools required
• Pump head seals
• Seal wash seals (and seal-handling tool)
NOTICE
All pumps except VC-P21 and VC-P33: Whenever you remove the pump
head, you must replace the seal wash seals.
Preparations
1. Remove the pump head (see Replacing the Pump Head
( } page 138) ).
2. Remove the pistons (see Replacing the Pistons ( } page 144) ).
Follow these steps
1. Remove the seal wash plate from the pump head if applicable.
2. Remove the seal wash bodies from the pump head if applicable.
3. Remove the pump head seals.