DGBFE2996460-12.2020-DGb7.2 Work to be carried outIn order to guarantee optimum operational reliability and service life of the compressor, werecommend carrying out servicing and inspection work at regular intervals:Oil change:- not mandatory for factory-produced series systems.- for field installations or when operating near the application limit: for the first time after 100to 200 operating hours, then approx. every 3 years or 10,000 - 12,000 operating hours.Dispose of used oil according to the regulations; observe national regulations.Annual checks: Oil level, leak tightness, running noises, pressures, temperatures, function ofauxiliary devices such as oil sump heater, pressure switch.7.3 Spare part recommendation / Accessories7.4 Lubricants7.5 DecommissioningClose the shut-off valves on the compressor. CO2 does not need to be recycled and can therefore beblown off into the environment. It is essential to ensure good ventilation or conduct the CO2 into theoutdoors to avoid danger of suffocation. When releasing CO2, avoid a fast drop in pressure to preventoil from exiting with it. If the compressor is unpressurized, remove the piping on the pressure- andsuction-side (e.g. dismantling of the shut-off valve, etc.) and remove the compressor using an appro-priate hoist. Dispose of the oil inside in accordance with the applicable national regulations.When decommissioning the compressor (eg. for service or replacement of the compressor) largeramounts of CO2 in the oil can be set free. If the decompression of the compressor is not sufficientenough, closed shut-off valves may lead to intolerable excessive pressure. For this reason the suctionside (LP) and the high pressure side (HP) of the compressor have to be secured by decompressionvalves.For operation with CO2 the following oil types are necessary:compressor version ML and S: Bock C85Ecompressor version SH: Bock C170E7 | MaintenanceAvailable spare parts and accessories can be found on our compressor selection tool undervap.bock.de.Only use genuine Bock spare parts!