7
Detectors Advanced Maintenance
Cleaning or Replacing the FID Jet
Thermo Scientific
TRACE 1300 and TRACE 1310 Hardware Manual
271
Cleaning or Replacing the FID Jet
It is good practice to clean the jet semiannually when you are analyzing particularly dirty
compounds such that the flame does not burnt properly. In case of actual damage, the jet
must be replaced.
To clean or replace the FID ceramic jet
1. Put the GC in standby condition.
2. Turn the flame off. The fuel gases, hydrogen, and air, are automatically closed.
3. Cool the detector to room temperature.
4. Turn the make-up gas off.
5. Power off the GC.
a.
Push down the power switch (breaker), located at the back of the instrument, to the
position O.
b. Unplug the power cable from the AC Input connector into the back of the GC, and
from the wall outlet.
c.
If external modules are present, unplug the power cable from the AC Input connector
of each external module, and from the wall outlet.
6. Open the module flap cover.
7. Disconnect the signal, glow-plug, and polarizing cables from their contacts on the cell top
cover. See
Materials needed
GC-grade methanol
Distilled water
Screwdriver?
Forceps or tweezers
T10 Torxhead screwdriver
Elbowed box wrench, 8-mm
Ceramic jet (if necessary)
Note
By pressing the
Maintenance
button, the GC cool down is automatically
carried out.
Содержание TRACE 1300
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