Close the flow control and shutoff valves for the air conditioning packs.

If you change this repair procedure, get approval of the design authority.

You can do this procedure only if there is no other repair in the repair area.

When you install the antenna, the alignment arrow must point forward.

This material releases dangerous fumes when it touches hot surfaces.

If you accidentally move the lever, set the system to the neutral position again.

If there is no contamination in the fuel sample, continue the procedure.

When the wind speed decreases to less than 30 knots, you can open the cargo door.

如果液压泵不能提供3000psi的压力，使用电动泵。

如果两个舱中有一个舱被水银污染，立即清洁该区域。

如果不安装校装销，当系统没有压力时升降舵会向下偏移。