➤ Take note of the controller's service messages and carry out tasks punctually, taking ambientand operating conditions into account:Interval Maintenance task See chapterWeekly Check the cooling oil level. 10.13Cooler:Check the filter mat10.3Control cabinet:Check the filter mat10.4up to 1000 h Clean the cooler. 10.5Check the air filter. 10.7Cooler:Clean the filter mat.10.3Control cabinet:Clean the filter mat.10.4up to 3000 h Control cabinet:Change the filter mat.10.4Cooler:Change the filter mat.10.3Display:SIGMA CONTROL 2Maintain the drive belt. 10.9Change the air filter. 10.7Display:SIGMA CONTROL 2At least annuallyChange the oil filter. 10.17Change the oil separator cartridge. 10.18Variable, see table 58 Change the cooling oil. 10.16up to 12000 h Replace the drive belt. 10.9Annually Check the pressure relief valve. 10.10Check the function:Safety shut-down due to excessive airend discharge tem‐perature10.11Check the EMERGENCY STOP device. 10.12Check the cooler for leaks. 10.5Maintain the heat recovery system. 10.6Check that all electrical connections are tight. –h = operating hoursTab. 57 Regular maintenance tasks10.2.4 Cooling oil Change intervalDuty cycles and ambient conditions are important factors influencing the number and length of theoil change intervals.KAESER SERVICE will support you in determining appropriate intervals and provide informa‐tion on the possibilities of oil analysis.10 Maintenance10.2 Following the maintenance plan901824 12 EOperating Manual Screw CompressorASK 61
