Agilent InfinityLab LC Series Vialsamplers User Manual 250
8Maintenance
Exchange the Metering Seal and Piston
Exchange the Metering Seal and Piston
When
• Injection volume reproducibility problems are observed
• Leaks or blockages are observed.
• The limit for the metering seal EMF counter is exceeded.
• The metering seal needs to be replaced as part of the yearly maintenance.
Tools required p/n Description
8710-0510 Open-end wrench 1/4 — 5/16 inch
8710-2392 4 mm Hex key
8710-2411 3 mm Hex key, 12 cm long
01018-23702 Insert tool
Cleaning tissue and appropriate solvent like isopropanol or methanol
Parts required p/n Description
0905-1717 Metering Seal, 40 µL
OR 0905-1503 Metering Seal, 100 µL
OR 0905-1294 Metering Seal, 900 µL
5067-5920 Piston, 40 µL, Zirconia
for 40 µL analytical head
OR 5067-5678 Piston, 100 µL, Zirconia
for 100 µL analytical head
OR G4267-60462 Piston, 900 µL, Sapphire
Preparations
• 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.
When the instrument setup has changed, configure the new setup in the online
view of the Chromatographic Data System. See Table 15 on page 155.
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