3-4 Maintaining the Autosampler
Proper operating procedures
To ensure your instrument runs efficiently, follow the operating procedures
and guidelines in Chapter 2.
Spare parts
Waters recommends that you replace only the parts mentioned in this
document. For spare parts details, see the Waters Quality Parts Locator on
the Waters web site’s Services/Support page.
Recommendations
• To prolong column life, reduce pressure fluctuations, and decrease
baseline noise, filter and degas solvents.
• To avoid malfunctions resulting from the following conditions, flush
buffered mobile phase from the instrument before shutting it down:
– Plugged solvent lines and flow cell
– Damaged instrument components
– Microbial growth
Cleaning the autosampler
In general, the instrument needs little maintenance.
Recommendation: Clean exterior parts with a damp cloth and
nonaggressive cleaning liquid.
Recommendation: Periodically clean these components:
• Valve leak bin– Clean this bin with a damp cloth and nonaggressive
cleaning liquid.
• Sample tray – Wipe with a damp cloth and nonaggressive cleaning
liquid.
• Drain tubing – Regularly flush with solvent to prevent clogging and
ensure disposal of liquids and condensate.
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