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

7
Maintenance

Replace the Inlet Valve

Replace the Inlet Valve

When If Inlet valve is defective.
Tools required p/n
G4220-20012
Parts required p/n
G4204-60022
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
• Remove the inlet weaver, see
1
With a 14 mm wrench, unscrew the inlet valve and
remove it.
Next Steps:
3
Insert the inlet weaver, see
4
Purge the system to remove air.
92
Description
Wrench, 14 mm
Torque wrench 2 – 25 Nm
Description
Inlet Valve 1290 Infinity Quaternary Pump
leakages
"Replace the Inlet Weaver"
"Replace 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.
on page 90.
Agilent 1290 Infinity II Flexible Pump User Manual
on page 90