What are the reasons for the failure of the water temperature and oil temperature of the excavator? 日本

In the construction of excavator, the high water temperature and oil temperature is a very common phenomenon, which has a great impact on the performance and service life of the machine.

(1) The excavator thermostat is stuck and cannot be opened, at this time, the water can only go through a small cycle and cannot pass through the radiator.

(2) Internal water tank, the water is not smooth.

(3) The fan speed is insufficient and the clutch is faulty. (or check belt tightness)

(4) The tape around the radiator is damaged, resulting in eddy currents, hot air circulation, and the cooling effect cannot be achieved.

(5) Check whether the excavator pump works normally.

For this, it is easy to ignore whether it will be a false alarm, sensor problem, after all, the computer only looks at the data and not the truth.

The main reason for the high temperature of hydraulic oil is that heat production is too fast or heat dissipation is too slow.

The oil inlet pipe and hydraulic tank of the hydraulic pump of the excavator are not strictly sealed, the oil inlet filter is blocked, the pipeline of the hydraulic system is not smooth, and the internal leakage of the hydraulic pump will cause the hydraulic oil to generate a lot of heat, so that the temperature of the hydraulic oil will rise rapidly due to excessive heat production.

The hydraulic oil radiator is blocked inside, the dust outside the radiator is too large, and the hydraulic oil does not pass through the hydraulic oil radiator, which can cause the hydraulic oil temperature to be high due to slow heat dissipation.

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