How to repair and maintain the excavator quick connector

Let’s talk about how excavator maintenance experts troubleshoot the problem of excessive engine temperature of the excavator:

1. “Look”

It is found that the engine temperature is too high Or the temperature indicator light keeps flashing, stop the vehicle and check to see if the cooling water in the water tank is normal and whether there are leaks in the water tank, water pipes and joints. If no abnormality is found through the external inspection, the cooling water can be replenished according to regulations before continuing to work.

If the temperature is still found to be too high after working for a period of time, and the cooling water is found to have decreased significantly after stopping for inspection, this is probably due to the loss of sand holes or perforations in the water jacket of the cylinder block. After discovering this fault, repairs should be carried out and should not be taken lightly.

2. "Rush"

If dirt adheres to the radiator, over time, it will affect the heat dissipation effect and cause the water temperature to be too high. You can first blow the radiator grille with compressed air, and then flush it with a water hose.

In general, there are four main steps to solve the problem of excessive engine temperature of the excavator: "One look, two molds, three directions, and four flushes." As long as you master these four steps, you can have a reasonable solution. Solve the problem of the excavator engine temperature being too high!

3. "Touch"

When the engine temperature is too high, you can use your hands to touch the temperature of the upper water pipe and the underwater pipe to judge. The fault lies. If the temperature difference between the two water pipes is very large, it can be determined that the thermostat is not working. If parts are temporarily unavailable, you can remove the thermostat as an emergency and replace it as soon as parts are available.

4. "Release"

If there is air in the cooling system, air blockage will form, resulting in poor cooling water circulation and causing the engine temperature to be too high. You can use the following method to deflate the gas: let the engine run at high speed, and gently unscrew the water tank cover until the gas is released. At this time, part of the cooling water will flow out together with the gas. Repeat this many times until you feel that the gas has been released ( At this time, the temperature of the upper and lower water pipes will be obviously different when you touch it with your hands). After troubleshooting, cooling water should be replenished in time.