Thermo Scientific TRACE GC Ultra Maintenance And Troubleshooting Manual page 284

Chapter 14
Maintaining a Flame Photometric Detector
6. Using the tool provided with the GC, loosen the
fixing nut on the base of the detector and
remove it.
CAUTION Pay attention not to lose the
aluminium ring inserted
between the detector head and
the base body.
7. Loosen the Allen screws on the mirror plug and
remove it.
8. Using a clean paper towel, clean the mirror
surface of the plug. If necessary, use a solvent
as methylene chloride or methanol to remove
deposits and a metal polishing paste to restore it
to the previous reflectivity.
284
Clean the Mirror Metal Plug
Maintenance and Troubleshooting Manual