1、 Hot car. It is necessary to have more patience and better habits to drive a turbocharged vehicle. After the mixer is cold started, it is not only to make the water temperature reach the normal value, but also to make the engine oil of the mixer reach the optimal working temperature. There is no need to worry about the model without oil temperature gauge. During cold start, as long as the temperature of water temperature gauge reaches the normal working temperature, wait 1-2 minutes more. Do not run at high speed immediately after starting the mixer, because turbocharging is a high-speed running part, so it needs more oil for protection. If the car is driven at high speed before it is hot, the oil is still viscous and the lubrication effect is poor. If the turbine is forced to work at full load, the turbine mill will be increased The turbine life is shortened.
2、 Turn off the engine. Similarly, you need to be patient before you turn off the engine, because the temperature of the turbocharger is very high for a long time or a high-speed mixer. After parking, the turbine will continue to run for a period of time due to inertia, so it needs enough time to cool down. If you turn off the engine of the mixer immediately after stopping, then the cooling system and lubricating oil supply will be provided It will also stop, which will damage the bearing of the mixer. Therefore, it is recommended to let the engine of the mixer run for 2-3 minutes before the engine is turned off, so that the turbocharger has enough time to cool down. However, the turbocharger can not idle for a long time, otherwise the turbocharger of mixer truck will also cause poor lubrication due to low oil pressure. Generally, the idle time should not exceed 10 minutes.
3. engine oil. The turbocharger of mixer truck is really more delicate. In addition to the larger oil quantity than the ordinary naturally aspirated engine, it also has higher requirements for oil. Because the turbocharger design of mixer truck is different from that of naturally aspirated engine, the turbine of most mass production vehicles adopts floating bearing, that is, it is completely lubricated by oil. Therefore, it is particularly important to select high-quality engine oil, while inferior oil has high viscosity and poor fluidity, so it can not play a good role. The driver should not lose a lot in this respect. It is suggested to replace the fully synthetic engine oil for the mixer. This kind of oil has good oxidation resistance, wear resistance, high temperature resistance, better lubrication and heat dissipation.
4、 Check. The sealing ring of turbocharger of mixer truck should be checked regularly, because this is also a very important part, because if the sealing ring fails, the waste gas will enter into the engine lubrication system of the mixer through the sealing ring, which will make the oil dirty, thus increasing the pressure of the crankcase, resulting in excessive consumption of the engine oil of the mixer, resulting in "engine oil burning". In addition, the rotor bearing precision of the mixer turbocharger is very high, and the working environment requirements for maintenance and installation are also very strict. Therefore, when the turbocharger fails or is damaged, it should be repaired at the designated maintenance station instead of the street shop.
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