接下来简单讲一下关于混凝土搅拌车工作之前，发动机预热前的检查项目，这样可以更好的工作。
Next, let's briefly talk about the inspection items before the concrete mixer works and the engine is preheated, so that it can work better.
1，检查液压油的存储量是否充足。（即检查油位的存储器）
1. Check whether the storage capacity of hydraulic oil is sufficient. (i.e. memory for checking oil level)
2，检查减速器的润滑油有无泄露。
2. Check whether the lubricating oil of the reducer leaks.
3，检查液压系统的液压油有无泄露，各接头部位是否有渗漏现象。
3. Check whether there is leakage of hydraulic oil in the hydraulic system and whether there is leakage at all joints.
4，检查搅拌车操纵装置的操纵手柄有无置于停止（stop）位置。
4. Check whether the joystick of the mixer truck control device is in the stop position.
5，检查油泵是否有异常声音。
5. Check whether the oil pump has abnormal sound.
6，检查液压马达有无异常声音。
6. Check the hydraulic motor for abnormal sound.
7，检查减速器有无异常声音。
7. Check the reducer for abnormal sound.
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