7 Replacement Procedures
Sample Line Replacement
Agilent 990 Micro GC User Manual 97
Sample Line Replacement
Tools required
The following tools are required to perform the replacement procedure described following
section. Allow approximately 5 to 10 minutes to complete this process.
• 3/16 inch open-end wrench
• Torx T-10 screwdriver
Replacement procedure for Micro GC sample line
1 Shut down the GC, and allow time for it to cool to ambient room temperature.
2 Disconnect the GC power plug from the mains outlet.
3 Disconnect any sample gas feed lines attached to the inlet port.
4 Remove the front cover as described in Removing the front cover on page 94.
5 Use a 3/16 inch wrench to unscrew the sample line nut from the front of the channels.
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