Agilent Technologies LTM II Series User Manual page 26

Rapid heating/cooling system for 8890 gcs
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3
Column Modules
4 Using the 1/4-inch open-ended wrench, turn the internal nut an additional 15 to 20 degrees
Figure 14.
5 Using the 1/4-inch open-ended wrench, remove the internal nut from the swaging wrench
6 Using the column cutter, trim the column at the small end of the ferrule leaving
Figure 15.
26
clockwise to assure the ferrule is properly swaged onto the column (see
Ferrule swaged to column and internal nut
and column.
approximately 0.3 mm of the column extending from the ferrule
size of the column head extending from the ferrule is 0.1 mm and the maximum is 0.5 mm.
It is important to have 0.5 mm or less column head to prevent column conflict in the union.
Properly-trimmed column and ferrule
Using a ceramic wafer helps provide the correct trim length.
a Place the wafer on the column, then slide along the column until the wafer rests
against the end of the ferrule.
b Tilt the wafer away from the ferrule at an approximate 45 degree angle. (Do not slide it
along the column!)
c Score the column and remove the loose end.
Figure
14).
(Figure
15). The minimum
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