Failures which can be solved by minor adjustment on brake pump, wheel, steering hydraulic cylinder, and micro-valve, connect level, mast roller, steering axle, etc. are excluded.

像总泵、车轮、转向液压缸、微动阀、连杆、门架滚轮、转向桥等部位，只要靠紧固进行调整就能修理的故障。

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FHPSS consists of hydraulic pump, initiative valve, steering control unit, steering cylinder and so on.

全液压转向系统是由液压泵、优先阀、转向器、转向油缸以及相关的转向机构组成。

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Abstract: requirements for hydraulic steering rack cylinder are very high the rack cylinder should be durable lubricants preservable and of seal. So finish machining and parameter-set are necessary.

文摘：液压转向机对齿条杆部表面有很高的耐磨、储油、封存要求，为此需要一套表面超精加工工艺及加工参数设定。

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