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4
Sample Gas Handling
G3588-68863
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
The metal surfaces of the channel and sample inlet can be very hot. Before connecting a tubing
WAR N IN G
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.
Agilent 990 Micro GC User Manual
Shut Down Procedure
on page 41.
51
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