During operation, diesel generator sets generate a large amount of heat. If the heat cannot be dissipated, it will cause damage to the diesel engine. Therefore, it is essential to maintain good heat dissipation. To ensure good heat dissipation effects: First, the generator room should have good ventilation; second, keep the radiator of the diesel generator set working properly. The water tank plays a significant role in the overall heat dissipation of the generator set. If there is a malfunction in the water tank, it is likely to cause the generator set to overheat and lead to more serious problems. Let's learn about the water draining techniques for the water tank of diesel generator sets together, making the management and maintenance of diesel generator sets easier.
Firstly, do not drain the water immediately when the temperature is high. Before turning off the engine, if the engine temperature is very high, do not stop the engine and drain the water immediately. The cooling water of the diesel generator set should be drained 15 minutes after shutting down, and wait until the water temperature drops to 40 - 50°C before draining. Otherwise, due to the large temperature difference between the machine body and the external environment, some components of the diesel generator set may deform, thereby affecting the performance of the diesel engine (such as cylinder head deformation).
After the cooling water stops flowing out, it is advisable to crank the diesel generator set a few more times. At this time, the remaining cooling water that is difficult to flow out will drain completely due to the vibration of the diesel engine. This can prevent the water plug on the cylinder head from being frozen off and prevent the cooling water from flowing into the oil pan in the future. At the same time, the operator should also note that if the drain cock is not removed, after draining the water, the drain cock should be left open to prevent the remaining cooling water from freezing and damaging the corresponding components of the diesel generator set due to various reasons, thus avoiding unnecessary losses.
When draining the water, don't just open the drain cock and think everything is done. You should also pay attention to observing the specific situation of the water flow. Check whether the water flow is smooth, or if there are any phenomena such as the water flow becoming smaller or fluctuating in speed. If these situations occur, it indicates that there are impurities in the cooling water, obstructing the normal flow of water. At this time, it is best to remove the drain cock and let the cooling water flow out directly from the machine body. If the water flow is still not smooth, use a relatively hard and slender rigid object such as a wire to dredge until the water flow is unobstructed.
If the drain cock is not removed, after draining the water, the drain cock should be left open to prevent the cooling water that has not flowed out due to various reasons.
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