Waters Xevo G2-XS QTof Overview And Maintenance Manual page 109

To open the source isolation valve after completing a maintenance
procedure:
Warning:
hazardous, toxic, or corrosive materials, and to avoid
spreading contamination to uncontaminated surfaces, wear
clean, chemical-resistant, powder-free gloves when working
with the probe and source components.
To avoid puncture wounds, take great care while working
Warning:
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).
1. Open the source isolation valve by moving its handle clockwise, to the
horizontal position.
2. Close the source enclosure.
To avoid personal contamination with biologically
April 2, 2015, 715004496 Rev. B
Operating the source isolation valve
Isolation valve
handle in open
position
TP03130
109