Inlet Inserts; Packed Column Inlet Inserts - HP 5890 Series II Plus Reference Manual

Columns and Fittings

Inlet inserts

1. Assemble a brass nut and graphite ferrule onto the liner/adapter.
2. Insert the liner/adapter straight into the detector base as far as
possible.
3. Holding the liner/adapter in this position, tighten the nut finger•tight.
4. Use a wrench to tighten the nut an additional 1/4 turn.
5. Install the column; then heat the oven, inlet, and detector to desired
operating temperatures and, only if necessary to stop leaks, tighten
fittings further.
Inlet inserts
Inserts are used in inlets, and can be installed from the top of the
particular inlet.

Packed column inlet inserts

Figure 1-8
Glass Insert for Packed Column Inlet Liner
Assuming the correct inlet liner is installed, a glass insert is installed as
described on the next page.
Flared End
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