6.4 Fitting a packing extension tube
P
recautions
NOTICE
D
o not pack the column to bed heights higher than the length of
the column, i.e., the adapter should seal against the column wall,
NOT against the extension tube wall. A tube length of 10 cm is
required when installing the adapter onto the column tube if the
packing extension is removed.
BPG 100, 140 and 200 columns
T
he extension tube is assembled when delivered.
Follow the instructions below to fit an extension tube onto the BPG column.
Step Action
1 Remove the adapter from the column and place the extension tube onto the
u
pper flange. Note that the column rods fit into the open holes in the flange
on the extension tube.
2 Make sure that the thin O-ring is positioned properly in the flange.
3 Use the washers and domed nuts from the column lid to secure the exten-
sion tube to the column.
4 The extended column is now ready for the first packing step in two-step
packing procedures.
6 Maintenance
6
.4 Fitting a packing extension tube
BPG Columns Operating Instructions 29193223 AB 99
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