Waters Xevo TQD Operator's, Overview And Maintenance Manual page 124

13. Use the O-ring removal kit to carefully remove the cover seal from the
ion block (see also
14. Use the O-ring removal kit to carefully remove the cone gas O-ring from
the ion block.
15. If the cover seal or cone gas O-ring shows signs of deterioration or
damage, dispose of it in accordance with local environmental
regulations.
4-48 Maintenance Procedures
page 4-19).
The cover seal and cone gas O-ring can be
Warning:
contaminated with biohazardous and/or toxic materials.
Dispose of them according to local environmental
regulations.
Cover seal
Cone gas O-ring