318 Maintaining Your GC
16 Maintaining the G3435A/G3436A FPD
To Remove the FPD Vent Tube
1 Gather the following:
• T- 20 Torx screwdriver
• 9/16- inch wrench
2 Load the GC maintenance method and wait for the GC to
become ready.
3 Drain any water from the flexible vent tubing and
discard.
4 Open the FPD cover.
5 Remove the flexible tubing from the FPD vent tube.
6 Loosen and remove the vent tube assembly with a
wrench.
7 Remove the screws securing the FPD cover.
• The single- wavelength detector has two screws at the
bottom of the left side (top photo below) and two
screws at the top of the right side (bottom photo
below).
• The dual- wavelength detector has two screws at the
top of the right side (bottom photo below).
When turning off the GC, first turn off the flame to prevent
condensation from dripping into the jet and column.
Be careful! The detector may be hot enough to cause burns. If the
detector is hot, wear heat-resistant gloves to protect your hands.
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