18 Maintenance and Inspection
18.8 Inspection and Maintenance: Flow Controller
303
GC-2010 Plus
Q Molecular sieve filter regeneration
Regenerate the molecular sieve filter using the following procedure.
(1) Stop the carrier gas flow.
(2) Remove the panel from the INJ/DET unit.
(3) Remove the molecular sieve filter.
(4) Regenerate the molecular sieve filter under the following conditions.
Nitrogen or Helium gas flow direction ... Reverse of operation direction
Gas flow rate ... 10 to 20 mL/min
Temperature ... 300 °C
Time ... 3 to 4 hours
(5) After regeneration, immediately reinstall the molecular sieve filter into the gas
chromatograph so that it does not become contaminated.
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