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Remove the Flush Head Seal

When

The flush head is leaking.

Tools required

Qty.

p/n

Description

1

8710-0510

Open-end wrench 1/4-5/16 inch

1

Hex key 4 mm

(part of 5023-2524Hex Key Set)

1

Cleaning tissue and appropriate solvent like isopropanol or methanol

Prerequisites

Finish any pending acquisition job.
Stop the flow at the pump and remove the solvent lines from the eluent bottles to avoid spilling solvent.
Close the shutoff valves at the pump if available.

In the Local Controller start the maintenance mode and select Change Metering Device function.

OR

In the Agilent Lab Advisor software select Service & Diagnostics in the system screen Maintenance Positions > Change Metering Device , click Start and wait until the metering device is in maintenance position.
Carefully remove the seal from the tip of the piston.

21-Jun-2025