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Seal Wash Function
Secondary Pump Head Parts
Seal Wash Function
Upgrading your pump to Long Life Pump Heads requires a seal wash function to be
installed.
The following sections explain how to upgrade Agilent Infinity Binary Pumps
(G4220A/B) and Agilent Infinity Quaternary Pumps (G4204A) to use the seal wash
function.
Install the Seal Wash Function (Binary Pump)
When In case of malfunction of the seal wash pump motor.
Tools required Description
Pozidrive screwdriver #1
Parts required # p/n Description
1 G4220-68712 1290 Infinity Binary Pump Seal Wash Pump Kit
Preparations Remove the shutoff valve panel and solvent selection valve. Remove flow connections to the degassing unit.
1
Open the two screws of the panel that covers the degassing
unit.
2
Remove the connector of the seal wash pump from the main
board such that you can remove the cover panel completely.
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