Waters Xevo G2-XS QTof Overview And Maintenance Manual page 178

6 Maintenance Procedures
6. Remove the metal gasket from the probe tip.
Metal gasket
7. Remove the PEEK union/UNF coupling assembly and capillary from the
probe.
8. Unscrew and remove the knurled collar from the UNF coupling.
PEEK union
9. Remove the knurled collar and conductive sleeve from the capillary.
10. Use the 7-mm wrench to loosen the locknut.
178 April 2, 2015, 715004496 Rev. B
PEEK union/UNF coupling assembly
Capillary
UNF coupling
Locknut Knurled collar
Conductive sleeve