Waters Xevo TQ-XS Mass, Overview And Maintenance Manual

Page: 70 / 213

Warning:
To avoid electric shock, ensure that the instrument is suitably prepared
before commencing this procedure.
To install the combined APPI/APCI source:
1. Prepare the instrument for working on the source (see Preparing the instrument for working
on the source ).
Warning:
To avoid burn injuries, take great care while working with the probe
and source; these components can be hot.
2. Remove the probe adaptor from the currently installed source (see Removing the probe
adaptor ).
3. Remove the existing source enclosure (see Removing the source enclosure from the
instrument ).
4. Install the combined APPI/APCI source enclosure (see Fitting the source enclosure to the
instrument ).
5. Install the specially shaped corona pin (see Installing the corona pin in the source ).
6. Slide open the instrument’s source interface door (see the figure on Waters ACQUITY
Xevo TQ-S UPLC/MS system ).
7. Connect the APPI drive cable to the instrument’s front panel connector.
Tip:
The front panel connectors and cables are color-coded. Ensure that the color of the
connector and the cable match.
8. Connect the source enclosure cable to the instrument’s front panel connector.
Notice:
To prevent damage to the corona pin and lamp assembly, ensure that
the lamp assembly does not touch the corona pin when the source enclosure
door is closed.
9. Close the instrument’s source interface door.
10. Install the APCI probe adaptor to the source (see Installing the probe adaptor ).
11. Install the APCI probe assembly (see Installing the probe assembly ).
Tip:
An automatic pressure test is performed each time the source enclosure is closed
and the probe cap is fitted, and when the instrument starts.
3.3.6 Removing the combined APPI/APCI source enclosure
Required materials
Chemical-resistant, powder-free gloves
June 9, 2016, 715004990 Rev. A
Page 70