If the diesel generator set has poor heat dissipation, it can cause many other problems, such as lack of power, sudden shutdown, unpleasant odor, poor exhaust, and black smoke. What is the main reason for poor heat dissipation?

1. Accident of blockage of radiator fins. The cooling fan is ineffective or the cooling fins are blocked, causing the coolant temperature to not drop, the cooling fins to rust and form a leakage situation, which can also lead to poor circulation.

2. The anti freeze liquid level of the unit is too low or does not meet the regulations. A low liquid level can directly cause an increase in coolant temperature, causing the anti rust water to not circulate. According to regulations, the anti rust water is 50% anti rust water and 50% softened water. If it does not comply with regulations, it will cause pipeline blockage and rust marks on the pipe wall, making it impossible for the coolant to circulate normally.

3. Thermostat malfunction. The combustion chamber of the diesel generator set is equipped with a thermostat, which is intended to control the temperature of the combustion chamber of the diesel generator. The thermostat must be fully opened at the specified temperature (82 degrees) to facilitate small circulation. If there is no thermostat, the coolant cannot maintain the circulating temperature, and a low temperature alarm may occur.

4. Water pump malfunction. Check if the water pump is working well. If the transmission gear shaft of the diesel generator set water pump is found to be damaged beyond the limit, it indicates that the water pump is no longer effective and needs to be replaced before it can circulate normally.

5. Smoke exhaust device malfunction. There is air mixed in the cooling device of the unit, resulting in unclogged pipelines. Accidents with the suction and exhaust valves on the expansion water tank also directly affect the circulation. At this time, it is necessary to regularly check whether their pressure values meet the regulations. The suction pressure is 10kpa, and the exhaust pressure is 40kpa. In addition, whether the exhaust pipeline is unclogged is also an important factor affecting the circulation.

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