515、Before you put new oil in the system, it is mandatory to replace the filter.

759、不要操作刹车来降低蓄压器中的压力。

758、泵安装在液压马达后面。

757、 When the spring compresses, the valve opens. 当弹簧压缩时,阀门打开。

756、When a fire starts, the temperature increases and causes the detector to operate

755、 Use proper equipment to do the inspection, instead of visual check.

754、 Transfer of hydraulic fluid between hydraulic system A and B is caused by improper operation of
system controls or worn(坏的) equipment. 液压系统 A 和 B 之间的液压油转移是由于系统控制操作不当
或设备磨损造成的。

753、 To get the correct clearance, add special shims, as necessary

752、 This task gives the maintenance steps which prepare the airplane for flight with both air conditioning
packs inoperative

751 、 This Section shall describe the airplane in a manner considered by the manufacturer to be most
informative to the kind of pilot considered most likely to operate the airplane.

750、There is one rigid bus assembly located at the rear of each of the power distribution panels