Fault diagnosis of hydraulic systems for construction machinery Published: 2010 Edition Introduction "Fault diagnosis of hydraulic systems for construction machinery (specialized in engineering machinery control technology)" takes the typical work tasks of hydraulic maintenance positions for construction machinery as the carrier, and strives to form posts through integrated and practical teaching Capability, the main contents include troubleshooting of hydraulic system leakage, troubleshooting of abnormal temperature of hydraulic oil, failure of hydraulic working equipment, troubleshooting of vibration and noise of hydraulic system, and troubleshooting of non-rotating hydraulic table. The "Fault Diagnosis of Construction Machinery Hydraulic System (Professional Control Technology for Construction Machinery)" is well illustrated, which is convenient for improving students' learning interest and comprehending what they have learned. "Fault Diagnosis of Construction Machinery Hydraulic System (Engineering Machinery Control Technology)" can be used as a teaching material for engineering machinery control technology students in higher vocational colleges, and can also be used as a reference book for students in related majors.
Contents learning task 1: Hydraulic system leakage troubleshooting maintenance unit 1 Hydraulic pump leakage maintenance unit 2 Hydraulic valve leakage maintenance unit 3 Hydraulic cylinder leakage maintenance learning task 2 Hydraulic oil temperature abnormal failure maintenance unit 1 Hydraulic oil inspection and selection unit 2 Heat exchanger failure Maintenance and learning tasks. Three hydraulic working devices are unable to operate. Maintenance unit 1 Hydraulic circuit maintenance unit 2 Hydraulic pump performance measurement unit 3 Hydraulic oil flow inspection study task Four hydraulic system vibration and noise troubleshooting unit 1 Hydraulic pump vibration and noise maintenance unit 2 Cylinder vibration and noise maintenance learning tasks. Five hydraulic table non-rotation troubleshooting unit. 1 Hydraulic motor troubleshooting unit. 2 Pressure regulating valve adjustment unit. 3 Sequence valve troubleshooting.