285. 更换损坏的部件。

A. Atmospheric pressure increasing with decreases altitude;

B. Atmospheric pressure decreases with increasing altitude;

C. Atmospheric pressure decreases with increasing attitude;

A. See the graphics for information of the solenoid valves which shall contain a note indicating the position of the valve(weather spring-loaded to its open or closed position).

B. Solenoid valves indicated on the schematic shall have a notation indicating when the valve shall be spring-loaded to the open or dosed position.

C. Solenoid valves shall be indicated on the schematic and shall include a notation indicating whether the valve is spring-loaded to the open or dosed position.

A. 更换磨损超过最大限度的部件。

B. 更换部件,磨损已超过最小限度。

C. 拆卸元件,磨擦已超过最大限度。

A. The external diameter must be concentric to the internal diameter

B. The outer radius and the inner radius must be suitable.

C. The exterior radius must be installed on a common shaft with the interior radius.

A. 确保舱门与其附近表面平齐。

B. 确保使用与舱门表面相似的材料对舱门进行打磨。

C. 确保舱门材料与其附近表面材料相同。

A. 使用特定的滑油,添加到滑油箱

B. 使用规定的滑油,补充滑油箱

C. 使用预订的滑油,冲洗滑油箱

A. Replace the PTU check valve

B. Interchange the PTU one way valve.

C. Change the PTU return valve

A. ADD

B. INCREASE

C. FILL

A. There is one shutoff valve on each air-driven pump (ADP)assembly.

B. Each pump assembly has a fire cock.

C. There is one dump valve on each air-driven pump (ADP)assembly.

A. At the location shown in the figure, waterproof corrosion inhibiting compound has been used on certain aircraft construction. To keep the effectiveness of this protection, reapply the compound in these or other locations periodically.

B. Water displacing corrosion inhibiting compound has applied on certain airplanes structure in the locations in this figure. Periodic reapplication must be applied in these and other locations, so as to maintain effectiveness of this protection.

C. Water displacing anti-seize compound has been applied on certain airplanes construction in the locations in this figure. Periodic reapplication should be utilized in these and other locations, in order to keep effectiveness of the protection.