Maintenance
30
Fig. 11: Preparation of moisture trap O-rings
4.5 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.
Fig. 12: Dust filter cartridge - inserting
1. Lift the dust filter cartridge (1) upwards.
2. Tilt its low end to the front and pull downwards.
3. Install a new cartridge by acting in reverse order.
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