1290 Infinity Quaternary Pump User Manual 69
Using the Pump
4
Priming the Pump
If the system has been run dry or air has diffused into the pump it
might require additional steps to get rid of the air again. Following the
procedure below will give the best and fastest results.
1 Change solvent to isopropanol.
2 Turn on the Prime function.
3 Purge the system with 10 ml, composition 50/50 and for 10 min.
4 Attach a column suitable for isopropanol and set the Max. pressure
limit to the limit of the column.
5 Run the system at composition 50/50 and a flow rate that gives a
pressure close to the limit of the column.
6 Observe the pressure fluctuations. The system is air free as soon as the
pressure is stable.
7 Change solvents and column according to the analytical conditions and
purge the system to change solvents.
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