某型飞机典型燃油附件常见故障分析及预防

The Fault Analysis and Prevention of the Typical Fuel Acessory for a Kind of Aircraft

燃油系统在飞机机械系统中作用至关重要,维护好燃油系统及附件是保证飞机执行任务和飞行安全的重要环节。在飞机定检及大修时,需要对各种附件进行功能性检查。该文将针对某型飞机在使用和维护过程中,典型燃油附件如:加输油控制活门、减压器、速压调节器、安全活门等存在的常见故障问题进行分析,结合附件的基本构造和工作原理,针对故障原因提出相应的排除方法及预防措施,目的是为该型飞机燃油系统的故障排除提供借鉴。

The fuel system plays an important role in the mechanical systems of aircraft. The excellent maintenance of the fuel system and accessories is an important step to ensure flight safety. The function of every kinds of accessories need to be checked when repairing and inspecting. In this paper, the common faults of typical fuel accessories, such as add oil control valve, pressure reducer, speed pressure regulator, safety value and others are analysed during the using and maintance process, the maintenance strategy about faults is determined according to the basic structure of attachments and working principle of accessories, which can provide lessons for the maintenance and repairing of the fuel accessories.