What is the digging of the oil cylinder rod crawling?

- Nov 08, 2017-

The so-called oil cylinder rod crawling, is in the excavator shutdown after the engine, in this static, the oil cylinder rod will produce a certain displacement. Excavator Oil cylinder rod crawling, this to the excavator drivers, more common, more comfortable; late afternoon, the machine size arm position did not stop, tomorrow morning on the machine a look, found that the size of the arm position sank, think this machine has trouble.

In fact, each excavator factory, the crawling index has a certain amount of quantitative standards, ideal state is best not crawling, and the actual production process, it is difficult to achieve, thus set "standard upper and lower limit", only when this "crawling volume" over the upper and lower limit, we can assume that this machine has a fault.