Agilent Technologies 1100 series Reference Manual page 110

1 Using a pair of tweezers remove the valve cartridge from the actuator
2 Before inserting the new valve cartridge clean the area in the actuator
3 Insert a new valve cartridge into the actuator assembly. Make sure the valve
1 Insert the new valve into the pump head. Using the 14 mm wrench turn the nut
2 Position the valve that the solvent inlet tube connection points towards the
3 Using the 14 mm wrench tighten the nut by turning the valve in its final
N O T E
4 Reconnect the inlet tube and the active inlet valve cable to the connector at
5 After an exchange of the valve cartridge it may take several mL of pumping
Repairing the Pump
Exchanging the Active Inlet Valve Cartridge or the Active Inlet Valve
Exchanging the Valve Cartrigde
assembly.
assembly. Fill a syringe with alcohol and flush the cartridge area thouroughly.
cartridge is fully inserted into the actuator assembly.
Replacing the Active Inlet Valve
until hand tight.
front.
position (not more than a quarter turn). Do not overtighten the valve. The
solvent inlet tube connection should point to the right corner of the pump
head.
For binary pumps without solvent selection valve replace the adapter to the
active inlet valve.
the Z-panel.
with the solvent used in the current application, before the flow stabilizes at a
%-ripple as low as it used to be, when the system was still working properly.
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