Closing The Source Isolation Valve - Waters Xevo G2-XS QTof Overview And Maintenance Manual

Warning:
To avoid personal contamination with biologically hazardous, toxic, or corrosive
materials, and to avoid spreading contamination to uncontaminated surfaces, wear clean,
chemical-resistant, powder-free gloves when performing this procedure.
Warning:
working on the source before starting this procedure.

7.7.1 Closing the source isolation valve

To close the source isolation valve before starting a maintenance procedure:
Warning:
To avoid personal contamination with biologically hazardous, toxic, and corrosive
materials, wear chemical-resistant, powder-free gloves when performing this procedure.
1. Prepare the instrument for working on the source (see
on the source (Page
2. Pull the source enclosure release (located at the bottom, right-hand side) outward and
swing open the enclosure.
3. Close the source isolation valve by turning its handle counterclockwise to the vertical
position.
To avoid static-like electric shock, ensure that the instrument is prepared for
89)).
Warning:
To avoid burn injuries, take great care while working with the source
enclosure open.
Warning:
To avoid puncture wounds, take great care while working with the
source enclosure open if one or both of these conditions apply:
• An ESI probe is fitted (the probe's tip is sharp).
• A corona pin is fitted (the pin's tip is sharp).
March 31, 2021, 715004496 Ver. 04 (previously released as Rev. D)
Preparing the instrument for working
Page 97