Waters 3100 Operator's Manual page 68

4. 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:
biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing this
procedure.
Warning:
with the source enclosure door 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).
Caution:
while the door is open.
1. Open the source isolation valve by moving its handle clockwise to the
horizontal position.
2. Close the source enclosure door, and secure it with both spring-clips.
3. Close the instrument's access door.
5-8 Maintenance Procedures
The source components can be contaminated with
To avoid puncture wounds, take great care while working
Do not apply any downward force to the source enclosure door
Isolation valve handle in closed position