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在装载机的双泵合流系统中配置了优先卸荷阀,实现了用定量泵配置达到系统变量的效果,它是提高装载机作业性能和节能的关键元件。由于系统中增加了优先卸荷阀,常使维修人员在检修过程中感到棘手,在此,我们将优先卸荷阀的工作原理和常见故障介绍给广大维修人员。
The dual-pump confluence system of the loader is equipped with the preferential unloading valve, which realizes the effect of using the quantitative pump configuration to achieve the system variable. It is a key component to improve the workability and energy saving of the loader. Due to the system to increase the priority of unloading valve, maintenance personnel often make maintenance in the process feel thorny, here we will priority unloading valve works and common faults introduced to the general maintenance staff.