Replacing The Inlet Valve - Agilent Technologies 1290 Infinity User Manual

Replacing the Inlet Valve

When If Inlet valve is defective.
Tools required p/n
5067-5688
Parts required p/n
G4204-60022
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
• Remove the inlet weaver, see
1
With a 14 mm wrench, unscrew the inlet valve and
remove it.
1290 Infinity Quaternary Pump User Manual
Description
Wrench, 14 mm
Torque wrench 1 – 25 Nm with 14 mm wrench
Description
Inlet Valve Quaternary Pump/Flexible Pump
leakages
"Replacing the Inlet Weaver"
2
Install the new inlet valve and tighten it using a torque
wrench with a 14 mm bit set to 10 Nm.
Maintenance

Replacing the Inlet Valve

on page 151
9
153