Replace The Outlet Valve - Agilent Technologies Infinity II 1290 User Manual

Replace the Outlet Valve

When If Outlet valve is defective.
Tools required p/n
G4220-20012
G4220-20041
Parts required p/n
G4220-60028
G4220-20020
Preparations • Switch off pump at the main power switch
• Open the doors
• Use an optional solvent shutoff valve or lift up solvent filters inside solvent bottles for avoiding
1
Remove the cap from the outlet valve.
Agilent 1290 Infinity II Flexible Pump User Manual
Description
Wrench, 14 mm
Torque wrench 2 – 25 Nm
Bit Torx 10x25 mm
Description
Outlet valve
(primary pump head)
Internal gold seal for Outlet Valve
leakages
2
Open the 2.5 mm hex screw at the top of the primary
pump head, which fixes the connection capillary of the
heat exchanger (1) and remove it (2). Then lift up the
capillary and remove it from the primary pump head (3).
Maintenance

Replace the Outlet Valve

7
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