Agilent Technologies 1220 Infinity II LC User Manual

1220 Infinity II LC System User Manual 255
Maintenance and Repair
11
Solvent Delivery System
4 Using a pair of tweezers or a toothpick, remove the frit.
Figure 64 Purge Valve Parts
5 Place a new frit into the purge valve, with the orientation of the frit as
shown above.
6 Reinstall the seal cap including the gold seal.
7 Insert the purge valve into the pump head and fix it with a 14 mm wrench.
Valve body
PTFE frit
Gold seal
Plastic cap
NOTE
Before reinstallation always check the gold seal in the seal cap. A deformed seal cap
should be exchanged.
CAUTION
Damage to the purge valve
➔ 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.

Agilent Technologies 1220 Infinity II LC Specifications

General

Brand	Agilent Technologies
Model	1220 Infinity II LC
Category	Laboratory Equipment
Language	English