Three Parts You Need for a Heavy Equipment in Winter

In the cold winter, the low temperature environment is a big test for heavy equipment. Severe weather affects the normal use of heavy equipment, often causing problems such as engine difficulty in starting, increased wear and tear, and slow operation of the hydraulic system. So what parts can make our heavy equipment run better?

Thermostat

The thermostat automatically adjusts the amount of water entering the radiator according to the temperature of the cooling water, changes the water circulation range, and adjusts 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 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.

The thermostat is arranged in the water outlet pipe of the cylinder head. The advantage of this is that the structure is simple, and it is easy to eliminate the air bubbles in the cooling system; the disadvantage is that the thermostat is often opened and closed during work, resulting in oscillation. Thermostats usually contain temperature-sensing components that turn on and off the flow of air, gas, or liquid by expanding or contracting.

Water temperature/oil temperature sensor

The water temperature sensor has no structural change, but its function is to provide an analog signal of temperature change to the engine control unit. For example, its power supply voltage is 5V power supply provided by the control unit, and the signal returned to the control unit is a linear change signal of 1.3V-3.8V. The main function is to tell the engine control unit how hot it is. Conversely, its signal is extremely important to the control unit. The main reason is that the engine has different working methods at different operating temperatures.

The open circuit of the water temperature sensor of the heavy equipment engine means that the connection with the secondary meter is disconnected. Check the water temperature sensor, if the sensor is not broken, check the connection, whether the connector is disconnected. An open circuit or a short circuit of the water temperature sensor will cause the temperature controller to fail to work normally and the control to fail.

Antifreeze

Antifreeze is a coolant containing special additives, mainly used in liquid-cooled engine cooling systems. Antifreeze has excellent properties such as antifreezing in winter, anti-boiling in summer, anti-scale and anti-corrosion throughout the year.

It is important to note that antifreeze is not only used in winter, it must be added throughout the year.

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