Replace the Flush Head Seal

在本地控制器中，启动维护模式并选择服务位置。

或

在 Agilent Lab Advisor 软件中，选择系统屏幕（工具） > 维护位置 > 更换计量设备中的服务与诊断，单击启动并等待，直至计量设备位于维护位置。

Remove capillaries and valves from the flush head.

Press and turn the Flush Head a quarter left (bayonet fitting) and detach the metering device from the actuator.

Pull the flush head away from the hydraulic box

Press against the rear side of flush head and turn a quarter left (bayonet fitting) and separate the flush head, head body and the piston.

Remove the piston from the head body.

Carefully remove the seal from the tip of the piston.

Reassemble the flush head and the head body (without piston).

Carefully insert the piston with the new metering seal into the flush head assembly.

Reinstall the flush head to the actuator housing.

Fix the flush head.

Connect the capillaries.