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原文：
在手动液压泵维修时的查找原因 维修时从以下三点查找故障原因，并对系统进行改进： (1)检查动臂油缸的内漏情况。最简单的方法是把动臂升起，看其是否有明显的自由下降。若下落明显则拆卸油缸检查，密封圈如已磨损应予更换。 (2)检查操纵阀。首先清洗安全阀，检查阀芯是否磨损，如磨损应更换。安全阀安装后若仍无变化，再检查操纵阀阀芯磨损情况，其间隙使用限度一般为,磨损严重应更换。 (3)测量液压泵的压力。若压力偏低，则进行调整，加压力仍调不上去，则说明液压泵严重磨损。

" Find out the reasons in the manual hydraulic pump maintenance”是由中国离心泵网提供的水泵行业新闻，译文仅供参考。另外，中国离心泵网还提供相关产品搜索：离心泵型号、离心泵价格、离心泵技术、离心泵新闻、离心泵生产商等。

译文：
Find out the reasons in the manual hydraulic pump maintenance Find the cause of the malfunction, and to improve the system repair from the following three: (1) check the internal leakage of the boom cylinder. The easiest way is to move the arm raised, to see whether there is a significant drop in free. If the whereabouts of the obvious you remove the fuel tank to check the seals if worn should be replaced. (2) Check the control valve. First of cleaning the relief valve, check the spool for wear, such as wear and tear should be replaced. The safety valve installation remains unchanged, and then check the control valve spool wear, the gap limits is generally badly worn should be replaced. (3) measuring the pressure of the hydraulic pump. If the pressure is low, then adjust the pressure to still tune up, then the severe wear of the hydraulic pump.

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原文来源：http://www.1lixinbeng.com/

2012-02-03 09:01

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