Routine Maintenance . 75
5. Place the first three packs of desiccant upright in the recess on the right of the
desiccant holder then, one at a time, lay the three remaining packs flat in the upper
part of the holder (Figure 22).
Figure 22 Stowing the desiccant packs
Ensure that when the packs have been installed they do not rise above the level of
the black rubber purge seal.
6. Close the cover and tighten the screws.
7. Refit the sample area cover.
Installing rechargeable desiccant
There is also a rechargeable desiccant kit available (L1250261).
To install rechargeable desiccant packs follow the
Renewing the disposable desiccant
procedure starting on page 73.
The instrument requires two rechargeable desiccant packs; the packs are sized to fit into
the left (70 mm x 78 mm x 33 mm) or right (102 mm x 78 mm x 84mm) of the desiccant
container.
The standard kit contains two pairs of rechargeable desiccant packs. This is so you can
immediately replace the desiccant in the instrument with re-activated packs.
The desiccant packs can be re-activated by baking them in an oven at 250 °C for
approximately 8 hours. They should be cooled in a dry atmosphere. For optimum results,
re-activate the packs immediately before re-use.
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