Replacing The Outlet Check Valves - Thermo Scientific Vanquish VH-P10 Operating Manual

7.7.2

Replacing the Outlet Check Valves

When
Parts required
Additional items required
Preparations
Follow these steps
Vanquish Pumps (VH-P10) Operating Manual
The picture shows the parts that must be removed.
Figure 66: Replacing an outlet check valve
Damage of check valve or leaky check valve
Outlet check valve
•
Solvent suitable for purging to flush out harmful substances
•
Solvent suitable for your application
1. To flush out harmful substances, purge the pump with an
appropriate solvent.
2. Turn off the pump flow and wait until the system pressure is down
to zero.
1. Remove the U-tube on the outlet check valve that you want to
remove.
2. Loosen and remove the outlet check valve.
3. Tighten the new outlet check valve finger-tight.
7 • Maintenance and Service
No. Description
1 Pump head
2 Outlet check valves
3 U-tubes
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