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发动机吊架是用于将发动机安装在机翼下方的主要设备,其作用是支撑发动机并将发动机产生的推力传递至机翼。同时,吊架内有各种导线束、燃油管路、液压管路、灭火瓶等。发动机供油、回油管路分布其中,其位置在高温的发动机上方,一旦发生燃油泄漏极有可能发生火警,为了防止泄漏的燃油接触到高温的发动机,发动机吊架设置有三个排放口,可将泄漏的燃油或液压油、雨水及时排出。在正常情况下排放口只会排出进入发动机吊架内的雨水。所以在检查时应特别对发动机吊架排放口所排出的液体进行详细检查准确判断液体属性。发动机吊架排放口排出燃油的现象较为少见。如果出现燃油泄漏现象,飞机不可放行。需拆开发动机吊架相关盖板查找漏油部位并进行修复。
The engine hanger is the main equipment used to mount the engine under the wing. Its function is to support the engine and transmit the thrust generated by the engine to the wing. At the same time, the hanger has a variety of wire harnesses, fuel lines, hydraulic lines, fire extinguishers and so on. Engine oil supply, oil return pipeline distribution which is located above the engine at high temperatures, in the event of a fuel leak is likely to fire, in order to prevent leakage of fuel exposure to high temperature engine, the engine hanger is provided with three vents, Leakage of fuel or hydraulic oil, rain and timely discharge. Under normal circumstances, the discharge port will only discharge the rain into the engine hanger. Therefore, the inspection should be carried out in particular on the discharge of the engine hanger discharge liquid for a detailed examination of liquid properties accurately judge. Engine hanger exhaust discharge of the phenomenon of the more rare. If there is a fuel leak, the aircraft can not be released. Need to open the engine hanger related cover to find the spill site and repair.