Excavator engine "high oil temperature, high water temperature", all in one step!

First, the water temperature is high: Why is the water temperature high? Excavator spare parts

The water tank is used for heat dissipation, and this cooling method is air-cooled, that is, the fan driven by the engine. Therefore, the reasons for the high water temperature are:

1. The thermostat is stuck and cannot be opened. At this time, the water can only go through a small cycle, not through the radiator.

2, the inside of the water tank is dirty, the water is not smooth, this can use the temperature gun to detect the temperature above and below the water tank, blocking the temperature below will be very low.

3. The fan speed is not enough and the clutch is faulty.

4. The rubber strip around the radiator is damaged or not. At this time, eddy current is generated, and the hot air is circulated, which cannot achieve the cooling effect.

5, for the fifth point, everyone is easy to ignore, that is, will not be false alarm, the sensor is broken, it is also possible, the computer is very wood, just look at the data does not look at the truth. Excavator original spare parts

Second, the oil temperature is high

The oil temperature is high and the water temperature is high. There are also large and small cycles. It is not through the thermostat. He has an oil return check valve. If this valve is stuck, the oil temperature will be high and the other water temperature will be the same. Komatsu excavator spare parts

Of course, the Komatsu excavator is driven by a fan pump to adjust the speed of the fan motor. There is also an overflow device. Generally, the oil temperature is high. Checking these places can be solved.

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