Agilent Technologies 6890 Series Service Manual page 279

330 Thermal Conductivity Detector (TCD)
Replacement procedures
WARNING Before proceeding, turn off the oven and any heated zones and let them cool
down. Turn off all detector gases at their supply, then turn off the main power
switch and unplug the power cord.
Caution Always hold the manifold as shown below to avoid damaging board
components.
1. While holding the manifold by the black plastic frame as shown below,
slip the label through the slot in the mounting bracket, and align the
bracket holes over the gas fittings.
Hold manifold by
the black plastic frame.
Slip label tag through
the slot in the bracket.
2. Finger-tighten three 7/16-inch hex nuts over the fittings to hold the
bracket in place. It is very important that you do not tighten the nuts yet.
16 of 24
(FPD shown)
Detectors
Agilent 6890 Gas Chromatograph Service Manual
Jun 2001