广东11选5

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挖掘機配件液壓泵維修

2017-07-08 08:55:47

挖掘機配件液壓泵損壞,現在此機現象單邊行走乏力,左行走原地無法轉動,右行走正常,平衡行走一快一慢,遇阻時慢,現象十分明顯。試機動作提大臂慢,支車無力帶小臂動作免強支起,鏟斗動作收開都表現動作慢而無力,小臂動作正常有力,臨清挖掘機配件在泵上面互換p1p2出油口,左行走正常,右行走無法轉動,大臂動作正常,小臂恢復正常。只要先測壓檢測一下壓力問題,先導壓力40兆帕屬于很正常,可以排除先導問題了。測量得出p1出油口壓力只有160兆帕,p2出油口達到320兆帕,一般這種泵正常壓力是280兆帕左右,p1p2出油基本要平衡,260兆帕基本上能正常干活了,康耐挖掘機配件初始判斷應該是泵泄壓造成的問題了。

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