The fault analysis and maintenance skills of agricultural machinery forgings include the following aspects: fault analysis: analyze and judge the causes of the failure of agricultural machinery forgings, and find out the root cause of the failure. The following methods can be used for fault analysis: Monitoring and recording: Regularly monitor the working status and performance of agricultural machinery forgings, record abnormal conditions and changes, so as to better analyze the cause of failure. Troubleshooting Common faults: Perform troubleshooting and comparison based on experience and common fault types to quickly determine fault types and possible causes. Maintenance skills: rapid troubleshooting: according to the characteristics of the fault and analysis results, quickly locate the specific fault point, and take the appropriate method to repair. Repair and replacement: for the wear, fracture or other failure of agricultural machinery forgings, take appropriate repair measures or replace parts to ensure their normal use. Lubrication and maintenance: Regular lubrication and maintenance of agricultural machinery forgings to ensure their normal work and extend service life. Pay attention to safety: When performing maintenance and troubleshooting, pay attention to safe operations to avoid injury to personnel and equipment. Experience summary and training: Continuous accumulation of experience: according to the actual maintenance situation, continuous summary and accumulation of experience. Record the troubleshooting process, maintenance methods and results to form an experience base for reference. Training and knowledge update: Regular training and learning, master the new maintenance skills and knowledge, follow up the latest industry development and standard requirements. Through the above fault analysis and maintenance skills, the fault problem of agricultural machinery forgings can be better solved and its reliability and service life can be improved. At the same time, it is also necessary to rely on the skills and experience of professional maintenance personnel to carry out maintenance work to ensure the normal operation of agricultural machinery.