Agilent InfinityLab LC Series 1260 Infinity II Isocratic- and Quaternary Pumps User Manual 147
Maintenance
8
Exchange the Purge Valve Frit or the Purge Valve
1
Using a 1/4 inch wrench disconnect the pump outlet
capillary from the purge valve. Disconnect the waste
tube.
Beware of leaking solvents due to hydrostatic
pressure.
2
Using the 14 mm wrench unscrew the purge valve and
remove it.
3
Remove the seal cap from the purge valve.
4
Using a pair of tweezers or a toothpick remove the frit.