Knowledge

The excavator shows weak operation under the condition of sufficient engine power and normal operation. It may be caused by the incorrect setting pressure of …

Hydraulic excavator adopts hydraulic transmission mechanism. Compared with mechanical single bucket excavator in structure composition, technical performance and application effect, its main advantages are light …

When the engine power of the excavator is enough and the operation is normal, the excavator is unable to work, which may be caused by …

Nowadays, the cooling system of hydraulic excavator is developing in the direction of lightweight, compact, energy saving and intelligent. Radiator is the core of the …

The production practice has proved that it is very important to diagnose and maintain the common faults of hydraulic excavator quickly and accurately, which is …

The working environment of hydraulic excavators is dusty and seriously polluted. About 70% of the system failures are caused by pollution. During oil level inspection, …

When the hydraulic system leaks, it will be difficult to establish the system pressure, the leakage will pollute the environment, affect production, and even the …

When the hydraulic system is mixed with air, it is easy to reduce the volumetric efficiency of the hydraulic pump and the energy loss is …

Overheating of hydraulic oil has great harm to the hydraulic system, which is mainly manifested in the decrease of the viscosity of the hydraulic oil …

1. The engine power is enough, but the car is suffocated The hydraulic pump itself has a certain power. When the power of the hydraulic …