Recently, many car owners have inquired about the difference between direct injection and Shenji, which is basically an intuitive feeling, but professional experts disdain to make a sound. Therefore, Li Xia of Merit maintenance department will simply talk about "direct" based on his years of mainten......

Common reasons for Volvo excavator parts flame out

Under the condition of the same structure and size, the diesel engine can obviously improve the power, increase the torque, reduce the fuel consumption and reduce the exhaust pollution, especially in the plateau area. During the working process, the speed of the supercharger is as high as tens of th......

The set pressure of the hydraulic system of the excavator is 30MPa, and if it is less than this pressure, the system pressure is low. The failure of the hydraulic system is mainly manifested in two aspects: the boom is lifted slowly and weakly; the rotation is slow and weak. The main reason for the ......

The relief valve is a hydraulic pressure control valve, which mainly plays the role of constant pressure relief, voltage stabilization, system unloading and safety protection in hydraulic equipment. During the assembly or use of the relief valve, due to the damage of the O-ring and the combined seal......

The tensioner is divided into accessory tensioner (generator belt tensioner, air conditioner belt tensioner, mechanical supercharger belt tensioner, etc.) and timing belt tensioner according to the location of occurrence. The tensioner is mainly divided into mechanical automatic tensioner and hydra......