ICS-90 Ion Chromatography System
5-18 Doc. 031851-05 12/04
5.9 Rebuilding the Injection Valve
Dionex recommends rebuilding the injection valve annually. The Injection Valve
Rebuild Kit (P/N 057896) contains all required replacement parts.
NOTE Substitution of non-Dionex parts may impair valve
performance and void the product warranty.
1. Turn off the pump from the ICS-90 Control panel in Chromeleon.
2. Open the front door of the ICS-90.
3. Disconnect each liquid line connected to the injection valve.
4. Follow the instructions provided in the LC25 Injection Valve Maintenance Kit
(P/N 055676) to replace the rotor seal, isolation seal, and stator face.
5. Reconnect all liquid lines to the injection valve.
6. Close the ICS-90 front door.
7. Turn on the pump from the ICS-90 Control panel.
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