102 Agilent 1290 Infinity II Flexible Pump User Manual
7 Maintenance
Release a Stuck Inlet Valve
Release a Stuck Inlet Valve
Tools required p/n Description
9301-0411 Syringe, Plastic
0100-1681 Syringe adapter luer/barb
0100-1710 Mounting Tool for Tubing Connections
Beaker
Pressure damages the multi-channel gradient valve (MCGV) and/or degasser
➔ Never apply pressure to the MCGV or degasser.
➔ Directly connect the syringe to the inlet weaver.
1 Remove tubing connections channels A, B, C and D to the
MCGV such that you can access the inlet weaver.
2 Open the fitting at the center of the multi-channel
gradient valve (MCGV). Do not open the screw marked
with the red cross. Remove the inlet weaver from the
MCGV.
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