Exchanging The Active Inlet Valve - Agilent Technologies 1200 Series Reference Manual

4 Repairing the Pump

Exchanging the Active Inlet Valve

When required
Tools required
Material
Preparations for this
procedure
1 Remove the front cover.
2 Unplug the active inlet valve cable from the connector.
3 Disconnect the solvent inlet tube at the inlet valve (be aware that solvent
4 Unscrew the adapter from the active inlet valve.
5 Using a 14 mm wrench loosen the active inlet valve and remove the valve
Valve body
Valve cartridge
Figure 13
100
If internally leaking (backflow)
Wrench 14 mm
Pair of Tweezers
Active inlet valve body G1312-60025
Valve cartridge (400 bar) 5062-8562
Switch off quaternary pump at the main power switch
may leak out of the tube due to hydrostatic flow).
from pump head.
Active Inlet Valve Assembly
1200 Series QP Reference Manual