Operating The Source Isolation Valve - Waters Xevo TQ-S Operator's, 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:
Warning:
prepared before commencing this procedure.
1. Prepare the instrument for working on the source (see
2. Pull the source enclosure release (located at the bottom, right-hand side)
outwards, and swing open the enclosure.
4-10 Maintenance Procedures
The source components can be contaminated with
Warning:
biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing this
procedure.
To avoid electric shock, ensure that the instrument is suitably
The source can be hot. To avoid burn injuries, take great
Warning:
care while working with the instrument's source enclosure open.
To avoid puncture wounds, take great care while
Warning:
working with the source enclosure open if an ESI probe is fitted.
page 4-6).