User manual

Agilent 1260 Infinity High Performance Autosampler User Manual 127
Maintenance
9
Installing the needle assembly
Installing the needle assembly
When When the limit in the needle into seat counter in the EMF is exceeded or when needle shows
indications of damage, blockage or leaks.
Tools required p/n Description
8710-0510 Wrench open 1/4 — 5/16 inch
Parts required p/n Description
G4226-87201 Needle assembly
Preparations In order to avoid leaks, close the shutoff valves in the pump or remove tubings from solvent bottles.
WARNING
Risk of injury by uncovered needle
An uncovered needle is a risk of harm to the operator.
Be careful working at the needle carrier assembly.
Use the silicon safety tube supplied with every new needle.
NOTE
It is recommended to always exchange the needle assembly and the needle seat at the
same time to prevent premature leakage.