Dionex ASE 150, Руководство оператора

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3 • Operation and Maintenance
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To replace the source needle, see Section 5.9 . To replace the vent
needles, contact Dionex.
•
Approximately every 6 months, open the cell door and inspect the
upper and lower AutoSeal tips. If a tip is damaged or worn, it should
be replaced. Contact Dionex for assistance.
•
Replace the O-ring, filter, and seals in the static valve every 6 to
12 months (see
Section 5.8 ).
•
Clean the exterior of the system with water and a mild detergent.
3.8.3 Annual Maintenance
•
Dionex recommends performing preventive maintenance annually.
An ASE 150/ASE 350 Preventive Maintenance Kit (P/N 068954) is
available.
•
If you frequently extract an acidic or basic sample, consider having
the solvent lines replaced when the annual maintenance is performed.
The solvent lines must be replaced by a qualified Dionex
representative.
3.9 Shutting Down
Overnight or Longer Shutdowns
•
If acids, bases, salts, or buffers are used as extraction solvents, rinse the
system with 100% polar organic solvent (for example, acetone or methanol)
or distilled water (see
Section 3.5 ) before turning off the power.
•
After extracting with a 100% organic solvent, you may turn off the power
immediately. If the shutdown is for more than one night, also turn off the gas
supply.
Before Shipping the ASE 150
1. After extracting with a solvent that contains acids, bases, or other strong
additive, rinse the system with either 100% organic solvent or distilled water
(see
Section 3.5 ).
2. Empty the solvent reservoir, reconnect the reservoir to the system, and run
one or more rinse cycles to remove solvent from the lines.
3. Turn off the gas supply, disconnect the gas source at the ASE 150 rear panel,
and remove the solvent reservoir.