Knowledge

1. Oil leakage of working cylinder, oil pipe joint or rotary joint If the cup is seriously worn and the oil seal is poor, it …

1. It is normal when the engine is cold, but it is slow when the engine is hot, and the digging is weak The internal …

At present, hydraulic excavator, as an important engineering machinery, is widely used in engineering construction and mining. Because of the high energy consumption and low …

The causes of the fault are complex and the forms are various, which are mainly shown as follows: 1. The cooling water is not circulating …

1. Structure composition of electric drive hydraulic excavator The structure of electrohydraulic excavator is similar to that of ordinary hydraulic excavator, but the power source …

When unqualified diesel oil is filled or impurities are mixed in the process of filling, it is easy to block the oil suction pipe, filter …

With the rapid development of social infrastructure, excavator plays an increasingly important role in earthwork construction. Because in the working process, the excavator boom is …

The safety valve of the travel motor is easy to leak oil, which will cause the pressure in the system to be too low, so …

After the hydraulic pump of excavator works for a period of time, excessive wear of the hydraulic components inside the pump is inevitable, which will …