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

Operating the source isolation valve

You must close the source isolation valve to isolate the source from the
instrument vacuum system for certain maintenance procedures.
Required materials
Chemical-resistant, powder-free gloves
To close the source isolation valve before starting a maintenance
procedure:
1. Prepare the instrument for working on the source (see
Warning:
instrument's source enclosure open.
Warning:
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).
2. Pull the source enclosure release (located at the bottom, right-hand side)
outward, and swing open the enclosure.
To avoid personal contamination with biologically
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 burn injuries, take great care working with the
To avoid puncture wounds, take great care working with

Operating the source isolation valve

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