As a heavy construction machine, the water level management of the water tank is very important in the daily operation of the Carter excavator. To ensure stable performance of the Carter excavator and prevent the engine from overheating, it is essential to regularly check and maintain a suitable water tank level. Generally speaking, the normal water level of the Carter excavator water tank should be between the highest and lowest scale marks, and should not be too high or too low. First, open the hood of the Carter excavator and locate the location of the cooling system tank, which usually has a clear water level indication ruler on it. In the cold run state (i.e., after the engine has stopped running for a period of time), check the coolant level in the tank, which should be kept between the maximum and minimum water level markings marked on the side of the tank. If the water level is below the minimum tick mark, you will need to add coolant to the appropriate range. In addition, the operator should note that the water level requirements of the water tank of the Carter excavator under different models and working conditions may be different, so it is recommended to refer to the equipment manual for accurate adjustment and maintenance. In conclusion, paying attention to the water level monitoring of the water tank of the Carter excavator is an important part of daily maintenance, and the timely and appropriate amount of coolant replenishment can not only effectively prevent engine failure caused by the lack of water in the water tank, but also ensure the long-term efficient operation of the entire equipment. While optimizing the layout of keywords, we emphasize that for Carter excavator users, it is of substantial significance to understand and master the correct method of detecting and controlling the water level of the water tank, which is also one of the key factors to extend the service life of the equipment and reduce the maintenance cost.