During the normal operation of the Carter excavator, its water temperature should be maintained in a suitable range to ensure the efficient and stable operation of the engine and prolong the service life. In general, the standard water temperature for a Carter excavator should be between 80°C and 95°C. Too low can lead to inadequate fuel combustion and poor lubrication, while too high can lead to engine overheating and coolant evaporation. Therefore, it is very important to pay close attention to and control the water temperature when performing routine maintenance on Carter excavators. In order to achieve this goal, it is not only necessary to regularly check the cooling system, including whether the water tank is sufficient, whether the water pump is working properly, whether the thermostat is properly adjusted, etc., but also to pay attention to the changes in ambient temperature, and adjust the water temperature and coolant mixing ratio in a timely manner to ensure that the water temperature can be maintained within the normal range regardless of the severe cold and heat. In general, the water temperature control of the Carter excavator is an important part of the equipment maintenance, ensuring that the water temperature is maintained in the standard range of 80-95°C, which can effectively prevent potential failures and ensure the long-lasting and efficient operation performance of the excavator.