Agilent Technologies 5975 Series Operating Manual page 37

2 Installing 7890/7820/6890/6850 GC Columns

Procedure

Always wear clean gloves while handling any parts that go inside the GC or the
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analyzer chambers.
The analyzer, GC/MS interface, and other components in the analyzer
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chamber operate at very high temperatures. Do not touch any part until you
are sure it is cool.
1 Condition the column.
Dangerous voltages exist inside the analyzer chamber, which can result in
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fatal injury. Do not open the analyzer chamber door for any reason. If access is
required, trained service personnel must first disconnect the instrument from
the building power source.
2 Vent the MSD and open the analyzer chamber. (See
The GC operates under high temperatures. Do not touch any GC parts until you
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are certain they are cool.
3 If installed, remove the isolation tip from the end of the GC/MS interface.
4 Slide an interface nut and conditioned ferrule onto the free end of the GC
5 Slide the column into the GC/MS interface.
6 Use the column cutter to score the column 2 cm from its end.
7 While holding the column against the column cutter with your thumb, break
8 Inspect the end for jagged edges or burrs. If the break is not clean and even,
9 Wipe the end with alcohol.
5975/5977 Series MSD Operating Manual
page 104 and"To Open the Analyzer Chamber"
can see the end of the GC/MS interface.
column. The tapered end of the ferrule must point towards the nut.
the column against the edge of the column cutter.
repeat steps 6 and 7.
(See"To Condition a Capillary Column" on page 35.)
"Vent the MSD" on
on page 119.) Be sure you
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