4Sample Gas Handling
G3588-68863
Agilent 990 Micro GC User Manual 51
Vented sample flows through a needle valve for draining.
G3588-68863 Installation
The G3588-68863 pressure regulator assembly is supplied fully assembled and ready to install on
the GC. To install the assembly, do the following:
1 Shut down the GC, then allow the column and injector to cool.
See Shut Down Procedure on page 41.
The metal surfaces of the channel and sample inlet can be very hot. Before connecting a tubing
for sample, allow the GC components to cool to ambient temperature.
2 At the front of the GC, disconnect any existing tubing for sample from the sample inlet.
3 Attach two Torx T-20 screws to the left side of the GC. Leave them loose enough that there is
room to install the bracket between the screw heads and the GC.
4 Slide the bracket onto the GC.
5 Tighten the two Torx T-20 screws to secure the bracket to the GC.
6 Position the G3588-68863 pressure regulator assembly at the side of the GC, and secure using
the lower mounting bolt.
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