42/24-10 EN Rev. 9 Chapter 9: Inspection and Maintenance 9-25
Gas Module: Disposable Filter Replacement
When should the
disposable filter be
replaced?
The gas module disposable filter should be changed if it is stained by contami-
nants.
We recommend changing the disposable filter (catalog number 23044-5-8018418)
every six months.
Step Action
1
Turn off the sample gas supply to the analyzer module.
Turn off the gas analyzer power supply.
2 Open the wall housing door or the 19-inch housing front plate.
3 Remove the disposable filter 1 from the bracket.
Remove the hose clamps from both sides of the disposable filter and
disconnect the hoses.
4
Properly dispose of the contaminated filter.
Attach the hoses to the new disposable filter and fasten them with the
hose clamps.
5
Pay attention to the flow direction. The flow direction Ö is
marked on the disposable filter housing.
6 Place the disposable filter in the support.
7 Check the integrity of the analyzer module gas paths (see page 9-2).
8 Close the system housing.
9 Turn on the gas analyzer power supply.
Disposable Filter
Replacement
10 Wait for the warm-up phase to end. Turn on the sample gas supply.
Figure 9-12
Location of
Disposable Filter in
Gas Module
above:
in 19-inch housing
below:
in wall-mount housing
1
1 Disposable Filter
Ö Flow Direction
1
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