Dionex ASE 100, Operator'S Manual

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ASE 100 Operator’s Manual
3-26
Doc. 031842-01 5/02
3.7 Routine Maintenance
This section describes routine maintenance procedures that the user can perform.
All other ASE 100 maintenance procedures must be performed by qualified
Dionex personnel.
3.7.1 Daily Maintenance
_
Fill the solvent bottle, if needed. After filling the solvent bottle,
always run two rinse cycles to clear the solvent lines of bubbles (see
Section 3.1.7).
_
Empty the waste bottle, if needed.
_
Check the gases.
_
Check for leaks.
_
Pull out the drip tray holder below the oven and check the plastic drip
tray. If the tray contains liquid, remove it from the holder, dispose of
the liquid, and reinstall the tray.
3.7.2 Periodic Maintenance
NOTE The
EXTRACTION COUNTERS
screen (see
Section C.2.5) indicates the number of extractions
the ASE 100 has performed.
_
Replace the PEEK seals (P/N 049455, pkg. of 10; P/N 049454, pkg.
of 50) inside the cell end caps after approximately 50 extractions, or
when they become worn (see Section 5.1).
_
Replace the O-rings (P/N 049457, pkg. of 50 Teflon O-rings;
P/N 056325, pkg. of 50 Viton O-rings) on the outside of the cell end
caps and rinse cells after approximately 50 extractions, or when they
become worn (see Section 5.2).
_
Verify that the source needle is straight. If it is not, try bending the
needle back slightly. If this does not straighten the needle, it should be
replaced (see Section 5.8).
_
Approximately every 6 months, open the cell door and inspect the
lower AutoSeal tip. Make sure the tip is not flattened, and that it is not