7.12. Check/replace the dust filters for underpressure measurement lines
Due to the accumulation of dust inside the filter housing, it is possible that dust may enter into any
measurement lines. Each of the measurement lines is equipped with a dust filter to protect the
measurement sensors against contact with dust. The dust filters are located inside the electronics
housing. To access the dust filters, open the cover of the electronics area by undoing the four fixings.
If too many dust particles are adhering to the white filter element then it is necessary to replace the filter
element. The maintenance interval depends on the quantity of dust that arises and cannot therefore be
determined in advance.
● The dust filter must be released from the measurement line. To do this, it is necessary to
release the tubing connector on both the IN and the OUT sides.
● Insert the new dust filter in the measurement line. When you do this, make sure that it is
installed in the right direction. This is indicated by the arrow, which must point away from the
measurement sensor and towards the filter unit.
BA_LFE-101-201-301_ST1_20230808_EN
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