Thermo Scientific TRACE GC Ultra Maintenance And Troubleshooting Manual page 105

Replace the Rotary Valve Seal
12. Remove the clip that retains the rotary valve.
13. Push the rotary valve out from the injector
head.
14. Push the PTFE seal upwards to eject it.
CAUTION In order to avoid leaks of
sample from the valve
assembly, take care not to
damage the inside of the head.
Eject the seal with the aid of a
non-metallic tool.
15. Insert a new PTFE seal into its housing, paying
attention to the alignment of the holes.
16. Insert the rotary valve into its housing.
17. Fix the rotary valve with the relevant clip.
Maintenance and Troubleshooting Manual
Maintaining a Cold On-Column Injector Direct Narrow-Bore
Chapter 5
105