751、简述和说明任何新型飞行仪表的工作原理

572、Lubricate the threads of the two bolts with a small quantity of oil.

571、Loosen the nut one full turn.

570、List the tools, equipment and materials required in the job which are not normally included in the mechanic＇s tools

569、Limitations associated with optional systems may be included in this section.

568、Lift then cylinder above its installed position.

567、Leave landing gear extended for ten minutes.

566、Keep personnel away from the aircraft when the thrust reverser deploys.

565、It is mandatory to do this procedure in this service bulletin

564、It is expected that the manufactures of major components will provide maintenance, troubleshooting inspection and repair data in the format of this specification.

563、Install the O-ring in the internal groove of the spherical bearing