Agilent Technologies 1220 Infinity II LC User Manual page 255

4 Using a pair of tweezers or a toothpick, remove the frit.
Valve body
PTFE frit
Gold seal
Plastic cap
5 Place a new frit into the purge valve, with the orientation of the frit as
6 Reinstall the seal cap including the gold seal.
Before reinstallation always check the gold seal in the seal cap. A deformed seal cap
N O T E
should be exchanged.
Damage to the purge valve
C AU T I O N
➔
➔
➔
7 Insert the purge valve into the pump head and fix it with a 14 mm wrench.
1220 Infinity II LC System User Manual
Figure 64 Purge Valve Parts
shown above.
Do not lift the pump using the purge valve as a handle, it might get leaky.
Do not try to turn the purge valve into the correct position when already fixed to the
pump. The rubber o-ring might break.
Anticipate the correct position of the connections before tightening the valve.
Maintenance and Repair
Solvent Delivery System
11
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