对存在问题的产品应根据故障现象，分析査找原因并记录。 The product of the problem should be analyzed in order to find the cause and record. 按照相关技术文件和维修作业指导书的要求对故障产品的结构、部件等进行检查，对发现的问题应采取相应维修措施并予以记录： In accordance with the requirements of the relevant technical documents and maintenance work instruction of the fault product the structure, components, such as inspection, to find the corresponding repair measures should be taken and record: 　　a)虚焊、漏焊、紧固件松动的，应补焊或紧固； If the welding, sealing and fastening of the fasteners are loose, the welding or fastening shall be made. 　　b)部件和元器件老化、损坏的，应修复或更换； B) parts and components that are old and damaged shall be repaired or replaced. 　　c)绝缘介质损坏、击穿的，应更换； (c) in case of damage or breakdown of the insulating medium, it shall be replaced. 　　d)电气参数改变、漂移的，应调整恢复； If the electric parameter changes or drifts, the recovery shall be adjusted; 　　e)结构发生变形、严重腐蚀的，应修复或更换。 The structural deformation and serious corrosion shall be repaired or replaced. 更换部件和元器件时，应对产品所更换的部件、元器件及相应部位进行防潮、防盐雾、防霉处理。 When replacing parts and components, the parts, components and parts of the components, components and parts of the unit that are replaced shall be protected against moisture, salt mist and mildew treatment. 产品维修后，应依据相关产品标准进行检验，记录检验结果，合格后应加贴检验合格标识。 After the repair of the product, the inspection results should be carried out according to the relevant product standards and the inspection results should be recorded, and the qualified identification shall be put up after the inspection.