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Simple Diagnostic Methods for Hydraulic System Failure
1.Ask hydraulic equipment operator to know the equipment operating conditions,including the following questions:
(1)Whether the hydraulic system is working properly;
(2)Whether the pump has abnormal phenomenon;
(3)Test time and outcome about the hydraulic oil cleanliness;
(4)Core cleaning and replacement;
(5)Before failure whether the hydraulic components are adjusted;
(6)Whether replacement sealing elements;
(7)What abnormal phenomenon occur around the hydraulic system failure;
(8)What failure have the system occurred in the past, how to exclude it.
2.Check actual situation of the hydraulic system,observ whether there is a problem of the system pressure,speed,oil,leak,vibration.
3.Listen to the sound of the hydraulic system, such as: the impact sound, noise and abnormal noise of the pump,judging whether the hydraulic system is working properly.
4.Touch the temperature, vibration, reptiles and tightness of the connection status to judge whether the moving parts work properly.
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