01/ proper use of closed cooling system
D88尊龙Most of modern diesel engines use closed cooling system, the radiator cover is sealed, and an expansion tank is added. When the engine works, the coolant vapor enters the expansion tank and flows back to the radiator, which can prevent a large amount of evaporation loss of the coolant and increase the boiling point temperature of the coolant. The cooling system should use high quality coolant which is corrosion resistant, anti boiling, antifreezing and waterproofing, and must be sealed in use before receiving the effect.
02/ maintains the external and internal cleanliness of the cooling system
D88尊龙This is one of the important conditions to improve the heat dissipation efficiency. The exterior of the radiator is contaminated by soil, oil or heat sink, which will affect the passing of the wind, and the heat dissipation effect of the radiator becomes worse and the coolant temperature is too high. Therefore, it is found that the generator radiator should be cleaned or repaired in time. In addition, when the cooling water tank of the generator set contains scale, mud or oil, it will affect the heat transfer of the coolant. Adding poor quality coolant or water will cause more fouling in the cooling system, and the heat transfer capacity of the scale is only a fraction of that of the metal, resulting in a worse cooling effect. Therefore, high quality coolant should be added to the cooling system.
03/ maintains sufficient coolant volume
When the engine is in cold state, the liquid level of the coolant should be located between the highest and the lowest mark of the expansion tank. If the liquid level is lower than the lowest mark of the expansion tank, it should be added in time. Note that the coolant in the expansion tank can not be filled, and there should be room for expansion.
D88尊龙04/ keeping the fan belt tensioning force moderate
D88尊龙The fan tape is too loose, which makes the pump speed too low, affects the circulation of coolant, and accelerates the abrasion of the adhesive tape. But the tape is too tight, it will also make the pump bearing wear. In addition, the tape can not be contaminated with oil. Therefore, regular inspection should be made to adjust the tension force of the fan belt.
D88尊龙05/ avoids large load work of diesel generator set
D88尊龙When the engine is in cold state, the liquid level of the coolant should be located between the highest and the lowest mark of the expansion tank. If the liquid level is lower than the lowest mark of the expansion tank, it should be added in time. Note that the coolant in the expansion tank can not be filled, and there should be room for expansion.
06/ pay attention to the good ventilation of the machine room
D88尊龙In particular, the exhaust and smoke of the water tank should be good, and the floor should be clean.
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