Removing the active inlet valve, Exchanging the valve cartridge – Agilent Technologies Quaternary Pump 1100 Series User Manual
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Repairing the Pump
Exchanging the Active Inlet Valve Cartridge or the Active Inlet Valve
Exchanging the Active Inlet Valve
Cartridge or the Active Inlet Valve
Removing the Active Inlet Valve
1
Unplug the active inlet valve cable from the connector.
2
Disconnect the solvent inlet tube at the inlet valve.
3
Using a 14 mm wrench loosen the active inlet valve and remove the valve from
pump head.
Exchanging the Valve Cartridge
1
Using a pair of tweezers remove the valve cartridge from the actuator
assembly.
2
Before inserting the new valve cartridge clean the area in the actuator
assembly. Fill a syringe with alcohol and flush the cartridge area thouroughly.
3
Insert a new valve cartridge into the actuator assembly. Make sure the valve
cartridge is fully inserted into the actuator assembly.
When required
If internally leaking (backflow)
Tools required
Wrench 14 mm
Pair of Tweezers
Material
Active inlet valve G1312-60010 (complete assembly)
Valve cartridge 5062-8562