Thermo Finnigan LCQ Deca XP Plus, Руководство по оборудованию

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User Maintenance
______________________________________________________ API Source Maintenance
__________________ LCQ Deca XP Plus Hardware Manual _________________
4-15
7. Remove and check the condition of the 0.185-in. ID O-ring
(P/N 00107-02585) on the APCI nozzle. Replace the O-ring if necessary.
8. Clean the APCI components with a 50:50 solution of methanol and
distilled water and a lint-free swab. Dry the components with nitrogen
gas and place them on a lint free tissue.
9. Reinstall the 0.185-in. O-ring on the APCI nozzle.
10. If you wish to reuse the sample tube, reinstall the sample tube inlet fitting
into the APCI manifold and continue this sequence of steps. If you wish
to install a new sample tube, go to the topic Removing the APCI Sample
Tube.
11. Reinstall the APCI nozzle (P/N 70005-20196) by gently screwing it by
hand into the APCI manifold.
12. Reinstall the APCI collar (P/N 97144-20024).
13. Reinstall the vaporizer casing (P/N 70005-20217) by gently screwing it
by hand into the APCI manifold.
Removing the APCI Sample Tube
To remove the APCI sample tube from the APCI manifold, do the following:
1. With a 3/8-in. open-end wrench, remove the sample tube inlet fitting (P/N
70005-20250), 0.239-in. ID O-ring (P/N 00107-04000), and sample tube
from the APCI manifold. See Figure 4-2.
2. Remove the exit-end nut (P/N 70005-20220), 0.016-in. ID, PEEK ferrule
(P/N 00101-18120), and sample tube from the sample tube inlet fitting.
3. Discard the old sample tube, or save for reuse.
Go on to the next topic: Installing the APCI Sample Tube.
Figure 4-2. APCI sample tube connection
0.239-in. O-Ring
Sample Tube
Inlet Fitting
Ferrule
Exit-End
Nut
Sample Tube
(Fused-Silica Tubing)