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The External Reasons of Diesel Generator Faults

Oct. 19, 2023

The diesel generator is mainly composed of three parts: the engine, AC synchronous generator, and control box (screen). In this article, Dingbo Power Generation Equipment will continue to share the analysis of the external causes of diesel generator failures for users to refer to.


generating set


1. Improper use


The user did not use the generator set according to the operating procedures. Frequent low-speed operation, rapid increase in load without warming up, and low oil pressure can accelerate the wear of the components. Long working hours, significant load changes, and long-term overload operation can also cause premature damage to parts.


2. Poor maintenance


When maintaining the generator set, failure to strictly follow the specified technical requirements to complete various tasks, or adopting incorrect operating methods, resulting in human failures, etc. In daily maintenance, it is necessary to change the engine oil in a timely manner and regularly clean the air filter and water tank for scale. Perform daily maintenance and first, second, and third level maintenance of the unit as required.


3. Poor repair quality


During the repair process, if the machining is not done properly and the repair technical requirements are not met, such as improper fitting gaps of various parts, insufficient surface smoothness, and poor cleaning during assembly, it can cause the unit to malfunction during use. The accuracy of the mutual position between various parts during the assembly process is also important. If it fails to meet the requirements, it will cause additional stress, produce adverse consequences such as eccentric wear, and accelerate the failure of the machine parts.


Establishing a reasonable maintenance system and strictly implementing the technical maintenance and operating procedures of diesel generators is an important condition to ensure the reliable operation of the unit and improve its service life. In addition, regular training is required for maintenance personnel to improve their professional skills. As long as we carefully install during construction and strictly follow the standards during normal operation and maintenance, we can definitely avoid most failures of diesel generators and reduce unnecessary economic losses.


Since 1982, Dingbo Generator has been a generator set manufacturer qualified by the "National Internal Combustion Engine Quality Supervision and Inspection Center". The product quality has passed the IS09001 quality system standard certification. And obtained the qualification certificate for self-operated import and export. Over the years, Dingbo units have been widely used in all walks of life, and have won the network access qualification of the Ministry of Information Industry, the network access qualification of the Ministry of Radio and Television, the network access qualification of CNPC, the network access qualification of China Mobile, and the manufacturing qualification of marine units. In 2016, Dingbo was awarded the Certificate of Qualified Supplier of China Nuclear Power Group. Dingbo Generator has been cooperating with Shangchai Power for many years. In 2009, it became the OEM partner of Shangchai Power in China. Dingbo generator VOLVO unit ranks the top three in the Asia-Pacific sales volume, and is the core OEM partner of Sweden Volvo in the Asia-Pacific region. 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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