How to Replace an Agilent 6890 Split/Splitless Inlet EPC Module | GC Repair
In this hands-on video, I show how I replace the split/splitless inlet EPC pneumatic module on an Agilent 6890 GC.
This repair involves going beyond routine inlet maintenance and accessing the internal pneumatic system of the gas chromatograph.
In the video, I cover:
• Opening the GC and accessing the EPC module
• Disconnecting the pneumatic and electrical connections
• Removing the old split/splitless inlet EPC module
• Installing the replacement module
• Reconnecting the system
• Reassembling the GC
• Checking the instrument after the repair
The Agilent 6890 is an older platform, but many laboratories still rely on these instruments. With proper troubleshooting and maintenance, a failed component does not necessarily mean the GC needs to be replaced.
Vineta Mills Consulting
Practical GC and GC/MS maintenance, troubleshooting, chromatography, method development, and laboratory training.
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