Agilent Technologies G1978B Guide de l'utilisateur télécharger pdf (Page 13)

Multimode Source for 6100 Series Single Quad LC/MS User Guide 13

Basic Operation and Maintenance 1

Maintenance

To open the multimode source

Open the multimode source to access the end cap and the capillary cap for

cleaning and inspection.

1 Open the spray chamber cover by pulling the latch.

The high voltage automatically turns off when the chamber door is opened

so that no high voltages are present within the chamber.

2 Check that the vaporizer temperature sensor is straight and extends 15mm

from back of chamber.

3 Check that the separator is aligned vertically.

4 Check that the APCI corona needle is in and extends approximately 3mm

from the corona guide.

5 Check that the source is clean.

6 Close and latch the multimode source.

WARNING

Do not touch the multimode source or the capillary cap. They may be very hot. Let the

parts cool before you handle them.

WARNING

Never touch the source surfaces, especially when you analyze toxic substances or

when you use toxic solvents. The source has several sharp pieces which can pierce

your skin including the APCI corona needle, vaporizer sensor and counter current

electrode.

WARNING

Do not insert fingers or tools through the openings on the multimode chamber. When

in use, the capillary and capillary cap are at high voltages up to 4 kV.

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Agilent Technologies G1978B Guide de l'utilisateur Page 13