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  • What  have to do when the boom didn't work

    What have to do when the boom d.... 【2018-03-15】

    1,The main valve in digging machine blocked or not fullyopen the main valve2,the vent in the cylinder leads to the no action of the excavator's big arm3.The valve has broken....
  • Why does the excavator engine need to change the oil on time??

    Why does the excavator engine ne.... 【2018-03-15】

    1,the oil is in a shelf life,when thetime is long,the performance will be reduced and the wear acceleration of themechanical wear parts is accelerated.2,the engine oil ru....
  • Reasons for oil leaking in hydraulic cylinder of excavator and matters of attent

    Reasons for oil leaking in hydra.... 【2018-03-15】

    In general,the leakage of hydrauliccylinder is divided into two kinds of leakage and leakage.As long as we lookcarefully,we can judge the cause of the leakage.It is diffic....
  • Discussion on the maintenance and maintenance technology of hydraulic system of

    Discussion on the maintenance an.... 【2018-03-15】

    Thereare various kinds of construction machinery on the construction site.Hydraulicexcavators are one of the most important equipment of these building machines.Hydraulic sys....
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