Fig. 21 Switching cabinet ventilation1 Ventilation grille2 Filter mat1. Carefully remove the ventilation grille and take out the filter mat.2. Beat the mat or use a vacuum cleaner to remove loose dirt. If necessary, wash with lukewarmwater and household detergent.3. Change the filter mat if cleaning is not possible or if the change interval has expired.4. Insert the filter mat in the frame and latch in the ventilation grille.10.5 Cooler maintenanceRegular cleaning of the cooler ensures reliable cooling of the machine and the compressed air.The frequency is mainly dependent on local operating conditions.A leaking cooler results in loss of cooling oil and compressed air.Clogged coolers are indicative of unfavourable ambient conditions. Such ambient conditionsclog the cooling air ducts in the machine's interior and the motors resulting in increased wearand tear.➤ Have the authorised KAESER SERVICE technician clean the cooling air ducts.Material Brush and vacuum cleanerFace mask (as required)Precondition The power supply isolating device is switched off,the device is locked off,the absence of any voltage has been verified.The machine has cooled down.10 Maintenance10.5 Cooler maintenance64 Operating Manual Screw CompressorASK 901824 12 E
