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In the process of use, the cooling effect of radiator of concrete mixer truck is affected by corrosion and scaling. Cleaning and descaling are effective methods to restore the heat dissipation capacity of radiator. When maintaining vehicle diesel engine, the cooling system of engine must be cleaned. If you don't have too many scales, you can rinse it with water. At this time, the radiator and engine water jacket of concrete mixer should be cleaned separately.

預先移除恒溫器，并且阻塞氣缸蓋上的出水彎管的旁通孔。在供水時(shí)使用特殊的沖洗槍供給壓縮空氣，沖洗效果更好。當發(fā)動(dòng)機運轉時(shí)，沖洗水流的方向應與水循環(huán)方向相反。為了減小水垢，優(yōu)選在冷卻系統中添加軟水;在低溫下，好加入防凍劑。
             

Remove the thermostat in advance and block the bypass hole of the outlet elbow on the cylinder head. When supplying water, a special flushing gun is used to supply compressed air, so the flushing effect is better. When the engine is running, the direction of flushing water flow should be opposite to the direction of water circulation. In order to reduce the scale, it is better to add soft water in the cooling system; at low temperature, it is better to add antifreeze.

混凝土攪拌車(chē)散熱器結垢較多時(shí)，應采用化學(xué)清洗劑清洗。也就是說(shuō)，酸或堿物質(zhì)與水垢之間的化學(xué)反應可以產(chǎn)生水溶性物質(zhì)來(lái)除去水垢。清洗時(shí)好采用循環(huán)法，即先用酸溶液清洗，再用堿性溶液清洗和中和。清洗時(shí)，清潔劑在氣缸體、水套或散熱器內循環(huán)一定壓力（通常為10L（PA），3-5分鐘后即可清洗。在清洗散熱器時(shí)，提供了清洗水套和散熱器的溶液及清洗方法。

When the radiator of concrete mixer has more scale, it should be cleaned with chemical cleaning agent. That is to say, the chemical reaction between acid or alkali substance and scale can produce water-soluble substance to remove scale. When cleaning, it is better to use circulation method, that is, first use acid solution to clean, then use alkaline solution to clean and neutralize. When cleaning, the cleaner circulates a certain pressure (usually 10L (PA)) in the cylinder block, water jacket or radiator, and can be cleaned after 3-5 minutes. When cleaning the radiator, the solution and cleaning method for cleaning the water jacket and radiator are provided.