Sludge is a long-term deposit of mineral oil, especially those with engine oil additives, which are the easiest to produce sludge. If the sludge deposit is too thick and you don't like the engine being disassembled, you can remove the oil sump and the valve cover first, use the diesel for a while, and scrub it with gasoline. . In particular, the oil pump of a concrete mixer truck must be removed for cleaning. However, if the oil pan and cover are removed once, the mat needs to be changed once. This requires the owner to pay hundreds of pieces. If there is no need to disassemble the engine, there are two kinds of simple cleaning methods: the first one is that it can be used to add clean oil, and the other is to use a machine connected to the engine of a concrete mixer truck and use a special cleaning agent. Cycle cleaning. If the sludge in the concrete mixer truck engine is to be thoroughly cleaned, then the engine must be completely disassembled and disassembled, and the ultrasonic machine can be used to clean it more cleanly and more efficiently, if the engine is currently in the condition. In the absence of any problem, do not clean the engine. However, if the sludge accumulation in the engine is too thick. Obviously, there are more serious noises and more fuel consumption. Cleaning at this time is not a solution. It is only possible to go to a professional maintenance station to take care of it.
If the concrete mixer truck is over-saturated, the following conditions will occur:
1. The concrete mixer truck will become difficult during the cold start. When the cold vehicle idles, it will not be able to reach the specified speed. Under more serious conditions, the idle speed of the hot car will become lower and the idle speed of the cold car will also appear. Turn off the situation.
2. The performance of the concrete mixer truck will be reduced, the fuel consumption will increase, and the acceleration will not be smooth.
3. The engine exhaust emissions of the concrete mixer truck will become relatively poor, and the service life of the three-way catalytic converter, spark plug and oxygen sensor will also be shortened.
4. The carbon deposit in the engine of the concrete mixer truck will also cause the stuck of the piston ring, directly affecting the entire sealing performance of the piston ring, leading to engine oil burning and shortening the service life of the piston ring.
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