Because turbocharger often works at high speed and high temperature, the temperature of turbocharger exhaust gas turbine end is 700-900 C, and the turbocharger rotor rotates at high speed from tens of thousands to more than 200,000 revolutions, in order to ensure the normal operation of turbocharger, the following points should be paid attention to in use:
You can't get out of the car.
After the engine is started, especially in winter, it should be idled for a period of time so that the lubricant can lubricate the bearings sufficiently before the turbocharger rotor runs at high speed. So don't bombard the throttle just after starting, in order to prevent damage to the oil seal of the supercharger.
Can't extinguish immediately
The engine can not be extinguished immediately after a long period of high-speed operation. When the engine works, part of the oil is supplied to turbocharger rotor bearings for lubrication and cooling. When a running engine suddenly shuts down, the oil pressure drops rapidly to zero, the high temperature of the turbocharger turbine part passes to the middle, and the heat in the bearing support shell can not be taken away quickly. At the same time, the turbocharger rotor is still rotating at high speed under the inertia action. Therefore, if the engine shuts down suddenly, it will cause the turbine. The oil retained in the supercharger overheated and damaged bearings and shafts. Especially to prevent sudden extinguishing after a few feet of throttle.
Keep clean
When disassembling the supercharger, to keep it clean, the pipe joints must be clogged with clean cloth to prevent debris from falling into the supercharger and damaging the rotor. During maintenance, attention should be paid to avoid impacting and damaging the impeller. If it is necessary to replace the impeller, dynamic balance test should be done. After reinstallation, the blockage should be removed.
Because the supercharger often operates at high temperature
Its lubricating oil pipeline is easily coked by high temperature, which will cause insufficient lubrication of supercharger bearing and damage. Therefore, the lubricating oil pipeline should be cleaned after a period of operation.
Check the operation of supercharger frequently
Before departure and after receipt, the connection of each pipe in the air passage should be checked to prevent the loosening and falling of the supercharger and air short circuit from entering the cylinder.
Thus, after turbocharging, the structure of engine parts has been strengthened. In terms of use and maintenance, it is necessary to strengthen the compulsory maintenance of engine and pay attention to the correct operation method.
Therefore, the engine should idle for 3-5 minutes before extinguishing after heavy load and long operation, so that the speed of turbocharger rotor can be reduced before extinguishing. Especially to prevent sudden extinguishing after a few feet of throttle is the function of the extinguishing delay device.
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