Cause: Generally speaking, the leakage is caused by a crack in the rubber pipe connecting the condensate tank of the mixer truck and the engine.
保 养：搅拌车变质的冷凝液防锈品质下降，不但容易导致散热器、管路、软管等部件的损坏，而且因冷凝液的主要成分是乙二醇，滴漏到地上也会造成环境和空气污染。但我 们很难通过目测判断冷凝液是否变质，所以要定期更换冷凝液，切莫等到出现故障再去修理。一般建议车辆每行驶4万公里或两年须更新的冷凝液，另外每两年须 更换冷凝风扇皮带。
Maintenance: the deterioration of the anti rust quality of the condensate of the mixer truck will not only easily lead to the damage of the radiator, pipeline, hose and other components, but also cause environmental and air pollution when it drips to the ground because the main component of the condensate is ethylene glycol. However, it is difficult for us to judge whether the condensate is deteriorated by visual inspection, so we should replace the condensate regularly and do not wait until there is a fault. It is generally recommended that the condensate should be renewed every 40000 km or two years, and the condensate fan belt should be replaced every two years.
Bad reaction: the engine of the mixer truck does not ignite
Cause: the failure of the starting system is likely caused by the rust or leakage of the battery. Because the start of the mixer engine is completed by the spark plug ignition driven by the current of the battery.
保养：每一两个月要查看电瓶内的电瓶液是否充足。如果不足，可添加蒸馏水至适当的高度。目前搅拌车大都采用免维护电瓶，则不可擅自加水。此外，每年都要检查一 下电瓶的正负端接点有无生锈或污浊的现象。如果有，要及时到服务站清理干净，以保持电路的通畅。电瓶恢复后，可延缓电瓶的报废时间，减少资源浪费和废弃电 瓶对环境的污染。
Maintenance: check whether the battery liquid in the battery is sufficient every two months. If not enough, add distilled water to the appropriate height. At present, most mixer trucks use maintenance free batteries, so it is not allowed to add water without authorization. In addition, check whether the positive and negative terminal contacts of the battery are rusty or dirty every year. If yes, clean it up at the service station in time to keep the circuit unobstructed. After the battery is recovered, the scrapping time of the battery can be delayed, and the waste of resources and the environmental pollution caused by the abandoned battery can be reduced.
Bad reaction: the engine exhaust of the mixer truck is noisy and the exhaust emission is large
Cause: the exhaust gas of the mixer engine is oxidized at high temperature, which is likely to lead to leakage of the exhaust system.
Green maintenance: check whether the pipeline and interface of the exhaust system of the mixer are corroded by waste gas and whether the interface pad is washed out. If leakage is found in the exhaust system of the mixer truck, the leaking parts shall be repaired or replaced in time. The annual inspection can not only ensure the normal operation of the mixer exhaust system, but also reduce the environmental pollution caused by harmful substances in the tail gas.
Bad reaction: increased fuel consumption of mixer truck
Reasons: there are many reasons for the increase of fuel consumption. But the common and easily overlooked thing is the inspection of tire pressure of mixer truck. Insufficient tire pressure of mixer tire will not only increase driving resistance and fuel consumption, but also affect the service life of mixer tire.
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