Replacing The Accumulator Pump Head's Plunger And Seals - Waters ACQUITY UPLC Overview And Maintenance Manual

3.19 Replacing the accumulator pump head's plunger and
seals
Refer to the console online Help to help determine whether the accumulator pump head's seals
require replacing.
Warning:
working with hazardous materials. Consult the Material Safety Data Sheets regarding
the solvents you use. Additionally, consult the safety representative for your
organization regarding its protocols for handling such materials.
Notice:
powder-free gloves when performing this procedure.
Requirement:
this procedure.
Required tools and materials
• Chemical-resistant, powder-free gloves
• 1/4-inch open-end wrench
• 5/16-inch open-end wrench
• T27 TORX driver
• Pliers
• Seal removal tool
• Sharp tool, such as a dental pick
• Fluoropolymer O-ring
• Methanol
• Plunger (if replacing)
• Plunger seal and plunger-seal spacer
• Seal-wash seal
Replacing the plunger and seals in the accumulator pump head involves these steps:
1. Flushing the solvent manager with nonhazardous solvent.
2. Moving the pump head plunger backward.
3. Removing the pump head.
4. Removing the pump head plunger.
5. Removing the pump head seals.
6. Installing the new pump head seals.
Observe Good Laboratory Practice (GLP) at all times, particularly when
To avoid contaminating system components, wear clean, chemical-resistant,
Wear clean, chemical-resistant, powder-free gloves when performing
August 8, 2016, 715005050 Rev. C
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