1. The identification of air compressor oil mixed with metal powder. Usually, when the oil and oil filters are replaced, the oil plugging head and the metal powder in the oil filter should be checked in order to roughly judge the wear and the possible failure parts. The 0.05~0.08L air compressor oil sample is extracted from the filling port and analyzed by atomic spectrum analyzer. The content of various grinding metals is obtained, thus the wear of the air compressor is grasps, and the repair preparation work is done in advance in advance with other inspection conditions.
2. The identification of air pressure oil mixed with water. A small amount of air compressor oil is released from the oil pan to check whether the oil surface of the air compressor is emulsified, the water level of the tank is reduced, the oil surface of the air compressor is increased, and the air cover of the air compressor oil port is opened in the refrigerator, and the water beads on the inside of the lid are checked. Draw out the dipstick of the air compressor so that the air compressor oil attached to the air pressure oil gauge drops on the shell of the turbocharger to see if there is any water droplet erupting.
3. The identification of air pressure oil mixed with fuel oil. When the air compressor oil has been mixed with a large amount of fuel, it can be judged according to the smell, whether the viscosity is reduced, the oil surface is increased, and the number of the air compressor oil drops into the air compressor's inspection vessel, and then it is heated to the standard temperature, and then it can be ignited.