先导操纵的装载机液压系统大多采用先导阀和压力选择阀作为主要的先导液压元件，因此会出现一些由这些元件引起的整机故障。
Most loader hydraulic systems with pilot control use pilot valves and pres sures election valves as main pilot hydraulic components so some machine failure caused by those components may occurred.
根据实际情况选择了单向阀和电磁阀，设计了液压泵站，为整个液压系统提供了高压源和低压源。
According to fact condition, check valves and solenoid valves are selected, hydraulic pressure pumping station which provides high reservoir and low reservoir for hydraulic system is designed.
因此，合理选择液压器，调整压力阀的压力也是降低功率损失的一个重要方面。
Therefore, a reasonable choice of hydraulic device, adjusting the pressure valve reduces the pressure is also an important aspect of power loss.
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