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About Maintaining the GC
Preparing for Maintenance
WA RNING
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Before routine maintenance procedures, the GC must be made
ready. This process can include:
• Setting low temperatures to avoid burns and other injuries
• Setting reduced flows to avoid safety hazards and to prevent
damage to the instrument
• Turning off the GC and disconnecting the GC from power
• Venting a mass selective detector (MSD)
• Making other settings to prevent damage to the instrument
(electronics, columns, and so forth) or to connected
instruments (MSD)
To put the GC in a general standby state suitable for most
maintenance, use the touchscreen: Maintenance > Instrument >
Perform Maintenance > Maintenance Mode > Start Maintenance.
Follow the prompts. To exit maintenance mode and restore the
previous GC settings, touch Finished. (If you turned off the GC or
changed other settings, return to the Maintenance Mode screen
as needed).
For procedures available through the touch screen, the Intuvo
9000 GC provides built-in settings to prepare for maintenance.
The GC will make the instrument safe to work on, and walk you
through the steps required to replace the part selected.
If you choose to perform maintenance without using the GC's
built-in features, first cool all heated zones in the instrument,
including auxiliary heaters or other heated devices you might
contact during maintenance. Then turn off the GC and unplug the
power cord. If using cryogenic cooling, you will also need to turn
off the cryogen supply and safely bleed off any residual
backpressure.
Maintaining Your GC
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