364 1220 Infinity II LC System User Manual
13
Upgrading the 1220 Infinity II LC
Install the Active Inlet Valve
3
Using a 14 mm wrench, loosen the passive inlet valve
and remove the valve from the pump head.
4
Insert the active inlet valve into the pump head. Using
the 14 mm, turn the nut until it is hand tight. Position the
valve such that the solvent inlet tube connection points
towards the front.
5
Tighten the active inlet valve using a 14 mm wrench
(approx. 10 Nm).
6
Use the new solvent tubing provided in update kit to
connect the flow path between AIV and DCGV.