Replacing The Outlet Valve - Agilent Technologies 1290 Infinity User Manual

Replacing the Outlet Valve

When If Outlet valve is defective.
Tools required p/n
8710-0510
8710-2603
5067-5688
G4220-20041
Parts required p/n
G4220-60028
G4220-20020
Preparations • Switch off pump at the main power switch
• Remove the front cover
• Use an optional solvent shutoff valve or lift up solvent filters inside solvent bottles for avoiding
1290 Infinity Quaternary Pump User Manual
Description
Open-end wrench 1/4 — 5/16 inch
Spanner-double open ended 12X14 mm Chrome
Torque wrench 1 – 25 Nm with 14 mm wrench
Bit Torx 10x25 mm
Description
Outlet valve
(primary pump head)
Internal gold seal for Outlet Valve
leakages
Maintenance

Replacing the Outlet Valve

9
155