What is the harm of adding too much oil?
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Too much oil reduces the output power of the engine. When the engine is working, the crankshaft handle and connecting rod big end will move rapidly. When there is too much oil, the crankshaft handle and connecting rod will stir violently. Crankshafts and connecting rods will consume a certain amount of energy to stir the engine oil, which will lead to the reduction of engine output power and increase the fuel consumption.
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Too much oil will damage the oil seal and cause oil leakage. When the oil is too much, the pressure of the oil in the engine will rise, which will have a great impact on the oil seal, shorten the service life of the oil seal, and cause oil leakage in the engine.
Adding proper amount of engine oil is helpful to prolong the service life of excavator.