Installing A Sampling Valve - Agilent Technologies 6850 GC Install Manual

Installing a Sampling Valve

Table 3 Installing a sampling valve
Step
1 Remove the lid top cover.
2 If the valve is to replace a capillary
inlet, remove the insert weldment
and split vent trap.
If the valve is to replace a packed
inlet, continue at Step 3.
Installing Sampling Valves
Installing Sampling Valves on an Agilent 6850 Gas Chromatograph
The sampling valve is installed in a heated valve box on top
of the GC. See Table
factory- assembled and leak- tested unit. Installation does not
require any disassembly of the unit. See the 6850 Gas
Chromatograph User Information CD- ROM.
The valve is plumbed through an existing inlet, either
capillary or packed.
Action
a Remove vent tubing, if present.
b Remove detector cover.
c Remove 8 T-20 Torx screws.
d Remove top cover.
Vent tubing,
if present
a Use the inlet wrench to release the
large nut on the inlet insert weldment.
b Lift the inlet insert weldment clear of
the inlet.
3. The box and valve is a
Notes
T-20 Torx screw
(1 of 8)
Detector cover
9