1.The shut-off valve in the oil circuit is closed or the oil intake is insufficient, and the oil filter is blocked. It is necessary to check whether the valve in the oil pipeline is open, whether the oil filter works normally, and clean the filter itself.
2.The oil inlet temperature is low, the viscosity is too high or the pump inlet temperature is too high; the oil needs to be warmed or the oil temperature is lowered.
3.The oil pump has failed; the oil pump needs to be replaced.
4.The fan motor bearing is damaged; the motor or bearing needs to be replaced.
5.The fan impeller is too dirtyand needs to be cleaned.
How a bowl of Baixiang good noodles is born? About 1.8 million years ago, humans learned to cook food with purposeful control of fire. The use of fire has made unprecedented progress in human health and life, and Darwin also called cooking the most important invention of mankind after language....
Heat delivers real deliciousness. In recent years, China's kimchi industry has grown rapidly, with a market size of more than 40 billion. With the gradual rise of the "stay-at-home economy", Chinese compound condiments and prepared dishes have become new trends in the industry....
