Endress+Hauser Analytik Jena PlasmaQuant PQ 9000, Руководство по эксплуатации, Страница: 51 / 87

PlasmaQuant PQ 9000 (Elite) Maintenance and care
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6.1 Maintenance intervals
The following maintenance tasks must be performed:
Maintenance item Action Reason, frequency
Base device
Wash solution bottle Check filling level, replenish Daily
Waste bottle Check filling level, empty Daily
Sampling compartment Remove contamination Daily
Check pump tubes for flexibility and
tightness Daily,
replace tubes if necessary
Plasma compartment Replace windows for beam entry
and exit in the plasma compart-
ment

If streaks and burnt-in residues are visible

If losses in energy occur
Replace the cone of the window
(axial observation)

If the cone is corroded resulting from the analysis
of strongly alkaline or acidic samples
Rear air filter Check for soiling Check monthly for soiling, replace annually and if nec-
essary
Water filter Check for soiling Check monthly, replace if heavily soiled and at least
once a year
Gas connectors Check for leaks

After renewing connections

If the manometer indicates a distinct pressure loss

If the plasma fails to ignite or is accompanied by
loud noise
Torch and nebulizer
Torch Remove and clean

If visible soiling can be seen (particularly a metallic
film or if the quartz glass appears very milky and
white)
Intervals may vary largely in dependence on the inves-
tigated sample material (from daily to annually).
Nebulizer Clean

If reproducibility deteriorates significantly or a drift
is observed

In dependence on the investigated sample mate-
rial (e.g., samples with a high salt content or with
suspended sediments)
Inside glass body of the
holder Replace

If cracked
Autosampler ASPQ 3300
Surfaces Clean Daily
Collection tray Remove residue liquid from tray If there are residues in the tray
Sample tube/
cannula Check that they are free of sediment
build-up Daily
Sediments can falsify measurement results
Wash cup Clean Weekly
Pump tubes Check for flexibility and tightness Daily,
replace if necessary