Waters Xevo G2 QTof Operator's, Overview And Maintenance Manual page 109

Caution:
always place it on its flanged base.
4. Rotate and lift the tool and collar to remove the sample cone from the
cone gas nozzle.
5. Remove the O-ring from the sample cone.
Cone gas nozzle
Cone gas nozzle
handle
Warning:
biohazardous and/or toxic materials. Dispose of it according
to local environmental regulations.
6. If the O-ring shows signs of deterioration or damage, dispose of it in
accordance with local environmental regulations.
7. Unscrew and remove the PEEK cone gas nozzle handle from the cone
gas nozzle.
The sample cone is fragile. Never place it on its tip;
The O-ring can be contaminated with
Cleaning the sampling cone assembly
Sample cone
O-ring
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