- Thoroughly clean the joints and areas adjacent to them before disassembling;
- Place the removed parts on clean pallets and cover them with paper or foil. Do not use a fleecy cloth for this;
- Cover open parts with clean rags if repairs are to be made later;
- Replace only clean parts;
- Unpack spare parts only immediately before installation;
- Do not use spare parts that did not have packaging;
- If possible, do not work with compressed air with the power supply system open. If possible, do not move the car.