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82问答网 > 日立200-3挖掘机液压泵更换配油盘和泵胆后装车，试车全车速度慢，没劲，更换主溢流阀和补偿阀后速度

日立200-3挖掘机液压泵更换配油盘和泵胆后装车，试车全车速度慢，没劲，更换主溢流阀和补偿阀后速度

2025-03-15 16:24:01

推荐回答（3个）

回答1：

建议检查清洗高速电磁阀，测量行走先导压力和高压，如果只是高压上不去，可以把压力补偿阀垫到最外面的位置。果果海不行请致电。

回答2：

EX200－3还是ZX200－3，机型不说清怎么搞？

回答3：

配油盘和泵胆是原装的么？请追问

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