Waters Xevo TQ MS Operator's, Overview And Maintenance Manual page 154

4 Maintenance Procedures
10. Use the 7-mm wrench to loosen the locknut.
Use the 8-mm wrench, to steady the UNF coupling when loosening
Tip:
the locknut.
11. Unscrew the PEEK union from the UNF coupling (this connection is
finger-tight only).
12. Remove the ferrule and PTFE liner sleeve from the capillary.
13. Remove the capillary from the UNF coupling.
14. Dispose of the capillary, PTFE liner sleeve, and ferrule in accordance
with local environmental regulations.
154 February 11, 2013, 71500130002 Rev. D
Ferrule
PTFE liner sleeve
To avoid spreading contamination, dispose of the
Warning:
capillary, PTFE liner sleeve, and ferrule according to local
environmental regulations. They can be contaminated with
biohazards or toxic materials.