Waters Xevo TQ-S Operator's, Overview And Maintenance Manual page 178

4 Maintenance Procedures
7. Remove the metal gasket from the probe tip.
Metal gasket
8. Remove the PEEK union/UNF coupling assembly and capillary from the
probe.
9. Unscrew and remove the knurled collar from the UNF coupling.
PEEK union
10. Remove the knurled collar and conductive sleeve from the capillary.
11. Use the 7-mm wrench to loosen the locknut.
Use the 8-mm wrench, to steady the UNF coupling when loosening
Tip:
the locknut.
178 February 28, 2014, 715002212 Rev. C
PEEK union/UNF
coupling assembly
Capillary
UNF coupling
Locknut Knurled collar
Conductive sleeve