Replacing A Cartridge Holder O-Ring - Thermo Scientific Dionex AutoTrace 280 Operator's Manual

Dionex AutoTrace 280 Operator's Manual
3. Tighten all of the nitrogen manifold fittings.
4. One at a time, swab the area around each fitting with a cotton-tipped swab
dipped in soap solution. If no soap bubbles form, the fitting is not leaking.
5. Reinstall the Dionex AutoTrace 280 rear panel with the six screws previously
removed.
6. Reconnect the power cord and turn on the power.
7. Run the Benchmark Test diagnostic method (#30) (see
5.3

Replacing a Cartridge Holder O-Ring

Replace the O-ring in a cartridge holder if there is leakage around the O-ring
while a method is running.
Parts Needed
•
Lint-free laboratory tissue
•
Cartridge holder O-ring (see
Replace the O-Ring
1. Disengage the plunger of the leaking channel. Lift the plunger up and out of
the cartridge to expose the plunger O-ring.
2. Remove the old O-ring by pressing on it firmly to roll it out of the groove in
the plunger.
3. Use a lint-free laboratory tissue to clean the plunger and groove. Be sure to
remove all particulates from the groove.
4. Install the new O-ring in the groove. Be careful not to tear the new O-ring;
this will prevent a proper seal.
5. Reinsert the plunger into the cartridge and re-engage the plunger securely.
Verify that the LED for the channel is lighted.
6. Run the Benchmark Test diagnostic method (#30) (see
the method is running, check for leaks or other problems.
84
Appendix C for part numbers)
Section 5.17).
Section 5.17). While
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