The main maintenance technology of the excavator is necessary for old drivers

Excavator maintenance master how to eliminate excavator engine temperature is too high fault

More and more excavator masters pay attention to excavator maintenance, because it is inevitable that there will be no problems or faults in the operation of the excavator, and it does not mean that it will maintain its "love machine", so it is necessary to have a little understanding of excavator maintenance while opening the excavator. Today, Xiaobian will take you to analyze the excavator maintenance skills.

1. "Look"

It is found that the engine temperature is too high or the temperature indicator light is constantly shining, and it is necessary to stop and check to see whether the cooling water of the water tank is normal, and whether there is leakage at the water tank, water pipe and each joint. If no abnormality is found through the external inspection, you can supplement the cooling water according to the regulations before continuing to work.

If after working for a period of time, it is still found that the temperature is too high, and the cooling water is found to be reduced much, which is mostly due to the water jacket of the cylinder block has sand holes or perforations and the loss. After finding this fault, it should be repaired and should not be taken lightly.

2. "Rush"

If the dirt sticks to the radiator, over time, it will affect the heat dissipation effect, resulting in too high water temperature. You can blow the radiator grille with compressed air and then rinse it with a hose.

In general, there are four main steps to solve the high temperature of the excavator engine: "One look, two molds, three parties, four strokes" as long as you master these four steps, you can reasonably solve the problem of the high temperature of the excavator engine!

3. потрогать

When the engine temperature is too high, the temperature of the upper water pipe and the underwater pipe can be touched by hand to determine the fault. If the temperature difference between the two water pipes is very large, it can be judged that the thermostat is not working. If the spare parts cannot be purchased temporarily, the thermostat can be removed for emergency and replaced immediately after a spare part.

4. "Release"

If there is air in the cooling system, it will form an air resistance, so that the cooling water circulation is poor, resulting in too high engine temperature. The following methods can be used to vent: let the engine run at high speed, gently unscrew the water tank cover until there is gas release, at this time there will be some cooling water with the gas out, so repeated many times, until the gas is released (at this time, the temperature of the upper and lower water pipes will be significantly different). After the fault is removed, the cooling water should be added in time.

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