There are many stuffy tanks caused by radiator failure in the use of mixer truck. We often say radiator is also hydraulic oil tank. Correct inspection and maintenance of hydraulic oil tank can avoid many failures

1. 我们需要检查的是油位观察窗：油液高度在观察窗一半以上为宜，每天开车前都应该目测检查一遍，确保系统在油液充足的情况下工作。

1. What we need to check is the oil level observation window: the oil height should be more than half of the observation window. We should visually check it every day before driving to ensure that the system works under the condition of sufficient oil.

2. 液压油是否需要更换是怎么判定的呢？

2. How to determine whether the hydraulic oil needs to be replaced?

一般为工作100小时后更换，油品型号为：抗磨液压油L-HM46号

Generally, it is replaced after the first 100 hours of operation, and the oil type is anti-wear hydraulic oil l-hm46

3. 液压油管各连接点如果有松动和渗漏油现象，需立即处理。

3. If there is looseness and oil leakage at each connection point of hydraulic oil pipe, it should be handled immediately.

4. 其次是真空表，正常情况下指针是在绿色零位不动的，表针到黄格和红格时，要立马更换液压油和滤芯，否则会对泵马达会造成一定的损伤哦

4. The second is the vacuum gauge. Under normal circumstances, the pointer is in the green zero position. When the pointer reaches the yellow and red grids, the hydraulic oil and filter element should be replaced immediately, otherwise the pump motor will be damaged

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5.散热器风扇一般在油温超过55摄氏度自动开启。。

5. The radiator fan will turn on automatically when the oil temperature exceeds 55 ℃..

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