Proper lubrication of the chassis of cement mixer can reduce the wear of automobile parts and increase the service life of mixer parts. However, the following points should be paid attention to when implementing lubrication:

1、正常使用情况下，按搅拌车厂家的保养周期进行润滑，环境恶劣情况下要适当缩短保养周期。

1. Under normal use, lubrication shall be carried out according to the maintenance period of the mixer manufacturer, and the maintenance period shall be appropriately shortened in case of severe environment.

2、要选用规定的润滑油。代用油料须性能接近，主要技术指标须保证，并且用代用油应时常检查，且缩短使用周期。

2. Select the specified lubricating oil. The performance of the substitute oil must be close, the main technical indexes must be guaranteed, and the substitute oil should be checked frequently, and the service cycle should be shortened.

3、更换发动机机油时，要在热状态时进行，以保证油能放尽。放油时应注意检查机油颜色是否正常、机油有无异物，以便发现故障隐患。待油放尽后，放油螺栓上的异物，然后拧紧。

3. When changing the engine oil, it should be carried out in the hot state to ensure that the oil can be drained. Pay attention to check whether the oil color is normal and whether there is any foreign matter in the oil in order to find out the hidden trouble. After the oil is drained, the foreign matters on the drain bolt shall be tightened.

4、进行润滑前，要清洁入口。润滑后要清洁零件表面，以免沾上尘土和污物。

4. Clean the inlet before lubricating. Clean the surface of parts after lubrication to avoid dust and dirt.

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Hongyan Jieshi four bridge lightweight mixer

5、更换新机油滤芯，将新机油注入发动机到油尺上限。为防止在没有润滑油的情况下启动发动机，应使高压油泵处于断油位置时按启动按钮，空转一会儿后，再启动发动机，并低速运转。检查机油滤清器有无渗漏，停机后，检查并补充机油油面到油尺上。

5. Replace the oil filter element and fill the engine with new oil to the upper limit of the dipstick. To prevent starting the engine without lubricating oil, press the start button when the high-pressure oil pump is in the oil cut-off position. After idling for a while, start the engine again and run at a low speed. Check the oil filter for leakage. After shutdown, check and replenish the oil level to the dipstick.

6、换机油滤芯：更换机油时，机油滤清器要同时更换，在密封垫上涂上一层薄薄的油，并且紧固滤清器。

6. Change the oil filter element: when changing the oil, change the oil filter at the same time, apply a thin layer of oil on the gasket, and fasten the filter.

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