Operating and Maintenance Manual 09/2019 – part I
Screw compressors
30
8.3.2. Filter mat
The filter mat is installed at the air inlet(s) into the housing. If the filter mat gets dirty,
cooling of the compressor may be insufficient.
Maintenance procedure:
1. When the compressor is switched off and has cooled down, carefully, without using
any tools, remove the filter mat from the housing.
2. Clean the filter mat by tapping off the dust or using a vacuum cleaner. When the mat is
heavily soiled, it can be washed in water and detergent.
3. When it is impossible to clean the mat or the mat is damaged, it should be replaced
with a new one.
4. Carefully install the filter mat in the housing.
Fig. 16 Replacement of the filter mat.
Fig.14 Replacement of the air filter cartridge in the compressors with motor power from 30 – 55kW.
Fig. 15 Replacement of the air filter cartridge in the compressors with motor power from 75 kW to
315 kW.
Nut
Body
Body
Filter cartridge
Filter mat
Housing
Filtercartridge
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