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Fault Diagnosis of Yuchai Diesel Generator Set

Jul. 26, 2023

The fault diagnosis of Yuchai diesel generator set can be divided into preliminary diagnosis and in-depth diagnosis according to the depth of its diagnosis. The preliminary diagnosis is to judge the approximate scope of the fault causes of Yuchai diesel generator set according to the fault phenomenon of Yuchai diesel generator set. The in-depth diagnosis is to analyze and find out the fault causes of Yuchai diesel generator set according to the results of the preliminary diagnosis until the specific location of the fault of Yuchai diesel generator set is found.


yuchai diesel generator set


According to the experience of the diagnostician and the familiarity with Yuchai diesel generator set, the direct diagnosis method has a great difference in the scope of application. Experienced diagnostic experts can select intuitive diagnostic methods to diagnose most of the possible faults of Yuchai diesel generating set, including preliminary diagnosis and accurate judgment of specific faults.


Check whether the vacuum hose is aged, cracked or crushed, and whether the vacuum hose of Yuchai diesel generator set passes through the way and the connector is in good condition. Check the connection status of the control system wiring harness, such as whether the sensors and actuators are in good condition, whether the connections between the wiring harnesses are loose or disconnected, whether the wires are worn or short circuited, and whether the plugs and sockets of the electrical connectors are corroded. Check each sensor and actuator of Yuchai diesel generator set for obvious damage, such as possible operation of Yuchai diesel generator set and check whether there is leakage at the inlet and exhaust manifolds.


The best practice is to listen to the initial opinions of the user, think about the following to conduct a preliminary diagnosis, and then ask some relevant questions to help confirm or deny the results of the preliminary diagnosis. At the same time, make careful records, and together with the diagnostic test results, form the basis for finding the fault. Listen, mainly listen to the sound of Yuchai diesel generator set when it is working, whether there is knock, cylinder knock, stall, and whether the different working noises of different parts are abnormal. This requires long-term experience accumulation to accurately determine.


Guangxi Dingbo Generator Set Manufacturing Co.,Ltd. was founded in 2006 and is one of the earliest manufacturers of generators and diesel generator sets in China. The main products are diesel engines, generator sets, and diesel generators, providing users with a one-stop service of design, supply, debugging and maintenance at any time. Dingbo Power has always insisted on using first-class talents, building first-class enterprises, manufacturing first-class products, creating first-class services, and making every effort to build a first-class domestic enterprise. If any question please feel free to visit our website https://www.dieselgeneratortech.com/ or send email to sales@dieselgeneratortech.com.

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