Maintenance Schedule - Agilent Technologies 6850 Series II User Information

Maintenance schedule

Periodically clean the surface of the instrument with a dampened lintless cloth.
Do not get any water inside the instrument.
The frequency of maintenance depends upon:
•
•
•
•
•
Table 23. Maintenance Schedule
Maintenance frequency
Daily
Weekly
Monthly
Quarterly
Semiannually
Annually
1
Very important for temperature programming using Vespel or Vespel/graphite ferrules
2
With typical usage, A-size cylinders will supply four gas chromatographs for about
3 months. Replace the cylinder when its pressure drops below 500 psig.
Released: March 2004
The level of usage
The type of samples injected
Whether injections are manual or automatic
Whether the instrument is used for multiple applications or dedicated to
one
Other environmental factors, such as dirt, ambient temperature, etc.
6850 Series II GC User Information
Items
Change septa, run a calibration sample, check the tightness of liner and
1
column nuts.
Change glass liners and O-rings, if applicable.
Clean the split/splitless inlet vent line trap.
Perform a leak check for hydrogen. Check all connections from the initial
supply. At the GC, leak check the inlet and the column connections to the
inlet and detector.
2
Renew gas cylinders.
Clean detector.
If a µECD is installed, perform a radioactivity wipe test.
Recondition or replace internal and external traps and chemical filters.
Routine Maintenance: General
Maintenance schedule
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