148 Agilent InfinityLab LC Series 1260 Infinity II Isocratic- and Quaternary Pumps User Manual
8
Maintenance
Exchange the Purge Valve Frit or the Purge Valve
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).
6
Reinstall the seal cap including the gold seal.
Before reinstallation always check the gold seal in
the seal cap. A deformed seal cap should be
exchanged.
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.
7
Insert the purge valve into the pump head and fix it with
a 14 mm wrench.
8
Reconnect the outlet capillary and the waste tubing.
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