Burkert Type 8741 - Manual (Page 31)

31
Maintenance
Type 8741
10.1.1 cleaning the stainless steel mesh
filter
1 2 3 4 5
item description
1 Screw
2 Inlet flange plate
3 O-Ring
4 O-Ring
5 Stainless steel mesh filter
Fig. 19 : Cleaning the stainless steel mesh filter
→
Remove the inlet flange plate [2] by loosening the two screws [1]
(see "Fig. 19").
→
Remove the O-ring [4] and the stainless steel mesh filter [5].
→
Clean the stainless steel mesh filter [5].
Do not clean with tap water!
Clean with acetone, isopropanol or compressed air.
→
Dry the stainless steel mesh filter after cleaning.
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Install the parts in the correct order (see "Fig. 19").
The fine side of the stainless steel mesh filter [5] must face
the inlet flange plate [2].
Before tightening the inlet flange plate, make sure that the
stainless steel mesh filter and the O-rings and seated flat and
not tilted.
→
Screw on the inlet flange plate [2].
10.2 cleaning and recalibration at the
factory
If the sensor is contaminated or damaged by operation, it may be that
the signal for the mass flow rate no longer corresponds to the actual
mass flow rate.
In this case the sensor must be replaced and recalibrated by the
manufacturer.
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