170 Agilent InfinityLab LC Series 1260 Infinity II Isocratic- and Quaternary Pumps User Manual
8
Maintenance
Replace the Solvent Selection Valve (Isocratic Pump)
6
Carefully pull the valve with a cable out of the pump
mainframe.
7
Exchange the defective solvent selection valve.
8
Tighten the screws of the degasser front cover and the
valve holder.
9
Reconnect all tubings to the solvent selection valve.
After an exchange of the valve it may be required to
pump several mL of solvent before the flow stabilizes
at a pressure ripple as low as it used to be when the
system was still working properly.
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