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CESSNA172R飞机是我国民航飞行训练主力机型之一,该机型采用Lycoming公司IO-360-L2A发动机,在飞行训练中,出现故障最高的是发动机的点火系统,而磁电机作为点火系统的关键部件,其工作好坏直接决定了发动机点火系统工作的正常与否,本文重点分析磁电机经常出现的外定时角变化故障的原因,研究处理相应措施并提出部分维修注意事项,为提高飞机利用率和该机的安全可靠性提供一定帮助。
CESSNA172R aircraft is one of the main types of civil aviation flight training in China. The aircraft uses Lycoming’s IO-360-L2A engine. In flight training, the most troubling problem is the ignition system of the engine. As the key component of the ignition system, , Its work is good or bad directly determines the engine ignition system work is normal or not, this paper focuses on analysis of the frequent appearance of magnetic motor timing changes in the reasons for the failure to deal with the corresponding measures to deal with some of the maintenance considerations, in order to improve aircraft utilization and The safety and reliability of the aircraft to provide some help.