5-16 Maintenance Procedures
3. Close the source isolation valve by moving its handle counterclockwise,
to the vertical position.
To open the source isolation valve after completing a maintenance
procedure
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 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).
TP03130
Isolation valve handle
in closed position
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