Agilent Technologies InfinityLab LC Series User Manual page 137

8 Maintenance
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.
NOTE
Beware of leaking solvents due to hydrostatic pressure.
3 Remove the seal cap from the purge valve.
Seal cap
Frit
5 Place a new frit into the purge valve with the orientation
of the frit as shown below (slit in frit points to the front).
Seal cap
Frit
Agilent InfinityLab LC Series 1260 Infinity II Isocratic and Quaternary Pumps User Manual
2 Using the 14 mm wrench unscrew the purge valve and
remove it.
4 Using a pair of tweezers or a toothpick remove the frit.
6 Reinstall the seal cap including the gold seal.
NOTE
Before reinstallation always check the gold seal in the seal
cap. A deformed seal cap should be exchanged.
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