Agilent InfinityLab LC Series Vialsamplers User Manual 181
6 Troubleshooting and Diagnostics
Maintenance and Troubleshooting Tools
13 Click Next and wait until the needle arm moves into the upper position.
14 Move the wash port safety flap back to its original position.
15 Confirm that the wash port safety flap is in the correct position and click Next.
16 Reinstall the safety cover back to the needle station and click Next to
continue.
17 Wait until the needle moves back to the needle seat. In the following pop-up
window, specify whether or not the EMF counters of the needle and the
needle seat should be reset, then click OK.
18 Select Back in the bottom right corner to exit the Maintenance Positions
function.
Using the Change Metering Seal and Piston Function
The Change Metering Seal and Piston function releases the tension on the
metering spring by moving the plunger of the analytical head into the
maintenance position.
The execution of this function encompasses the following elementary steps
when the Agilent Lab Advisor Software is used:
1 Select Maintenance Positions from the list under Service & Diagnostics.
2 Under Task Selection, select Change Metering Seal and Piston and click Start.
The plunger is moved into the maintenance position, releasing the tension on
the spring.
3 Remove the analytical head and the metering seal or replace any other
component of the analytical head (see
“Exchange the Metering Seal and
Piston” on page 250).
4 Click Next to move the piston back to the home position.
5 In the following pop-up window, specify whether or not the EMF counter of the
metering seal should be reset, then click OK.
6 Select Back in the bottom right corner to exit the Maintenance Positions
function.
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