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Reasons for the high water temperature of the forklift

Reasons for the high water temperature of the forklift

  • 2021-08-05
Reasons for the high water temperature of the forklift

There are many reasons for high water temperature: temperature control switches, pumps, sub-fans, rusty water pipes, poor return water and other factors can cause this phenomenon. The engine water temperature is mainly related to whether the thermostat is working normally, whether the water pump can build enough pressure, and whether the cooling fan can reach the standard speed. How to check if the water temperature of the forklift is abnormal? The cooling system is generally composed of cooling fans, radiators, thermostats and other components. The cooling fan is often driven directly by the engine, and the fan speed is consistent with the engine speed. The control of the cooling water temperature mainly relies on the thermostat.



The principle of thermostat

The function of the thermostat is to automatically adjust the amount of water entering the radiator according to the temperature of the cooling water, and to change the water circulation range to adjust the heat dissipation capacity of the cooling system to ensure that the engine works within a suitable temperature range. The thermostat must be kept in good technical condition, otherwise it will seriously affect the normal operation of the engine.



If the main valve of the thermostat is opened too late, it will cause the engine to overheat; if the main valve is opened too early, the engine warm-up time will be prolonged and the engine temperature will be too low. At this time, it can be judged whether the working condition of the thermostat is good. When the engine starts to run cold, if there is still cooling water flowing out of the water inlet pipe of the water tank, it means that the main valve of the thermostat cannot be closed; when the engine is cooling When the water temperature exceeds 70 degrees Celsius, and there is no cooling water flowing out of the water inlet pipe of the upper water chamber of the water tank, it means that the main valve of the thermostat cannot be opened normally, and repair is required at this time.

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