Thermo Scientific TRACE GC Ultra Maintenance And Troubleshooting Manual page 360

Chapter 17
Maintaining Detectors in Stack Configuration
13. Remove the detector adapter unscrewing the
two retaining Allen screws. Use a 2.5 mm Allen
wrench.
14. Unscrew the collecting electrode and remove it
using tweezers.
15. If you are going to replace the collecting
electrode with a new one, go to step 16. If you
are going to clean it, put it into an ultrasonic
bath filled with a toluene/hexane mixture and
sonicate it. In the most critical cases, fine emery
paper can be used.
16. Mount the new (or cleaned) electrode without
touching it. Use tweezers.
17. Remount the detector adapter and tighten the
Allen screws.
360
Clean or Replace the Collecting Electrode (NPD on ECD)
Maintenance and Troubleshooting Manual