ACF5000 FTIR ANALYZER SYSTEM | OI/ACF5000-EN REV. A 167
Replacing filters in the sample gas pressure regulator
Wearing parts
Wearing parts Item no. Replacements
Filter in the sample gas
pressure controller
4868313,
4805885
At least every 12 months, depending
on the dust content in the ambient air
Replacing the filter
1 Slacken 5 screws and remove the cover of the ACF5000 E-box AU1.
The paper filters in the sample gas pressure regulator are located on the
right-hand side in the ACF5000 E-box.
2 Undo the used paper filter by hand and insert new filter.
1 large filter, item no. 4868313
2 small filter, item no. 4805885
3 Mount cover of the ACF5000 E-box and fasten using the screws.
NOTICE Before replacement, the values of the controlled variables must be noted (for
values > 85, the filters must be replaced) and compared with the values of
the controlled variables after replacement. They should be smaller after re-
placement.
In the event of frequent soiling of the filters, the quality of the instrument air
must be verified.
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