Thermo Scientific Dionex, Operator'S Manual

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8 • Maintenance
Doc. 065250-06 03/2020
97
8.2 Weekly Maintenance
Completion time: 30-40 min for a dual-system analyzer
8.3 Biweekly Maintenance
Completion time: 1-2 hrs for a dual-system analyzer
Component or Feature Action
Standard solutions Prepare new solutions for the check standard and
calibration standard.
Analytical pump Replace the piston seal wash solution, if used. Record
pump pressure when the load/inject valve is in the load
position.
SS valves Check for leaks.
Gas and drain
connections Check all connections, including the drain manifold and
the fluid connection panels. Check for accumulated liquid
on the inside bottom of enclosures. Fix leaks promptly.
Power and signal
connections Visually inspect all connections and cables. Secure loose
connections; move pinched or strained cables.
Component or Feature Action
Reagent reservoirs Thoroughly rinse all reagent reservoirs with deionized
water to remove precipitates.
Eluents, reagent Prepare new eluents and reagents.
Eluent trap columns (if
used) Replace trap columns (may be required weekly).