Operating the source isolation valve 5-15
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 work performed on its source (see page 5-7).
2. Pull the source enclosure release (located at the bottom, right-hand side)
outwards, and swing open the enclosure.
Warning: The source components can be contaminated with
biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing this
procedure.
Warning: To avoid electric shock, prepare the instrument for work
performed on its source before commencing this procedure.
Warning: The source can be hot. To avoid burn injuries, take great
care while working with the instrument’s 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 tip is sharp).
• A corona pin is fitted (the pin tip is sharp).
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