: Paper filter changing
A. Screw an M4 screw (1) into the paper filter holder (2).
B. With this screw, pull the filter holder (2) and the filter (3) out of the reagent tube (4).
C. Remove the screw (1) from the filter holder (2). Remove the old filter (3).
D. A new filter (5) is placed on the filter holder (2) and folded over.
E. The filter holder (2), with the new filter (5) is pushed carefully, back into the reagent tube
(4).
6.5 Dust filter cartridge replacing
The dust filter cartridge filters smallest dust particles from the combustion gases. Its saturation
depends on the sample material and its combustion characteristics. The filtering material of a
new cartridge is white. Replace the dust filter cartridge when the filtering material shows
coloration, or at least every 500 analysis.
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