170 1290 Infinity Quaternary Pump User Manual
9
Maintenance
Releasing a Stuck Inlet Valve
3
Slightly open the black plastic screw at the bottom of the
inlet valve, and rotate the inlet weaver to the front. Then
retighten the screw.
4
Disconnect the capillary from the pressure sensor inlet
and route the capillary to a small beaker.
5
Fill the syringe with a suitable wash solvent.
For salt deposits, warm water is a good choice. For
organic deposits, use ethanol or acetone.
6
Connect the syringe and adapter to the inlet weaver.
3UHVVXUHVHQVRU
%HDNHU
&DSLOODU\