Thermo Scientific TRACE GC Ultra Maintenance And Troubleshooting Manual page 388

Chapter 18
Regenerating Carrier and Split Lines Filters
OPERATING SEQUENCE
To Regenerate Carrier Gas and Split Lines Filters
The carrier gas and split lines active carbon filters must be regenerated annually or
when ghost peaks are detected during blank analysis.
ATTENTION This operation requires the use of an external nitrogen line and an external oven to
keep the filter at the regeneration temperature. 
If an external oven is not present in your lab, the column oven of the GC should be
use.
Before starting, the following preliminary operations must be carried out:
•
•
•
•
Remove The GC Top Cover
1. Lift the detector cover off the GC top cover.
2. Open the oven door and unscrew the two top cover fastening screws.
3. Push the cover back about 1 cm and lift it up and off the GC.
388
Cool the oven and detector base body to room temperature.
Close the gas supplies.
Turn off the main power on the rear panel of the GC.
Disconnect the main power cable from the rear of the GC.
To Regenerate Carrier Gas and Split Lines Filters
Maintenance and Troubleshooting Manual