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本单位的一台ZMO装载机已使用了9年，近年来故障率高，工作效率明显降低。常见的故障有：动臂升降速度缓慢，工作效率太低，装运无力；工作装置中的工作泵经常泄漏，维修频繁。因液压系统管路太多，出现故障后查找原因十分困难，给维修工作带来了极大的不便。为了提高该机的工?
The unit of a ZMO loader has been used for 9 years in recent years, high failure rate, work efficiency significantly reduced. Common failures are: boom lift slow, work efficiency is too low, shipping weak; working device in the work of the pump often leaks, frequent maintenance. Due to too many hydraulic system piping, find the cause after the failure is very difficult, brought great inconvenience to the maintenance work. In order to improve the machine’s work?