If the hydraulic system is not cleaned during the pre-commissioning operation and the oil contamination is serious, after the hydraulic system has been working for several months or more, the hydraulic pump and other components have a large internal leakage due to severe wear. , which in turn affects the normal operation of the hydraulic system.
If the hydraulic system is not cleaned during the pre-commissioning operation and the oil contamination is serious, after the hydraulic system has been working for several months or more, the hydraulic pump and other components have a large internal leakage due to severe wear. , which in turn affects the normal operation of the hydraulic system. The following Dalan Hydraulics introduces you to three methods for diagnosing common faults in hydraulic systems:
1. Simple fault diagnosis method
1 Ask the experienced staff to find out the equipment operation status.
2 Look at the hydraulic system pressure, speed, oil, leakage, vibration, etc. whether there is a problem.
3 listening to the hydraulic system sound:
a, impact sound;
b. Noise and abnormal sound of the hydraulic pump;
c. Determine whether the hydraulic system works normally.
4 Touch the temperature rise, vibration, creep and the tightness of the joint to determine whether the working condition of the moving parts is normal.
2. Hydraulic system schematic analysis method
1 According to the hydraulic system schematic diagram, analyze the faults in the hydraulic transmission system, find out the location and cause of the fault, and propose a method to eliminate the fault.
2 combined with the action cycle table to analyze and judge the fault to propose a method for troubleshooting.
3. Other analysis methods
When the hydraulic system fails, perform logic analysis according to the principle of the hydraulic system or use causal analysis to eliminate one by one, and finally find out the faulty part.
----- Editor-in-Chief: Dalan Oil Pump Motor 02-Procurement Consultant
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