Utilize the Logical Analysis Method of Analyzing the Faults of Hydraulic System
The so-called logical analysis method of hydraulic system failure refers to the method of logical analysis based on the basic principles of hydraulic system, reducing suspects, gradually approaching, and finding out the location of the failure. The basic steps of fault logic analysis are shown in Figure.
How To Troubleshoot
① The hydraulic system is not working properly, which can be summarized as three major problems of pressure, flow and direction.
② Review the hydraulic system diagram and check each component to confirm its performance and function, and initially evaluate its quality status.
③ List the components related to the failure. It should be noted that judgment should be fully exercised, and no component that has a significant impact on failure should be missed.
④ For the components listed in the list, check according to the difficulty of inspection, and list the key components and parts for inspection.
⑤ Preliminary inspection should judge whether the selection and assembly of components are reasonable; whether the test method of components is correct; whether the external signals of components are suitable, whether there is a response to external signals, etc.; pay attention to the omens of component failure, such as high temperature, noise, vibration and leaks etc.
⑥If the component causing the failure is not detected, the instrument should be used to check repeatedly until the component causing the failure is detected.
⑦Repair or replace the failed components.
⑧Before restarting the equipment, seriously consider the antecedents and consequences of the failure, and predict the hidden dangers that may occur, so as to take corresponding technical measures.
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Post time: Dec-23-2022