971、Remove the bolts that attach the transmission housing to the engine.

517、当通风空气温度升至 27℃时，排气阀打开。

516 、 Overhaul of any or all components in this chapter must be accomplished in a qualified shop inaccordance with data supplied by the component manufacturer. 本章中的任何或所有部件的大修必须在合格的车间中根据部件制造商提供的数据完成。

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

514、The circuit breakers are installed on the rear of the unit.

513、Personnel must obey（遵守） this procedure.

512、lf the drain hole is clogged（堵塞）, clean it.

511、Do the troubleshooting procedure to find the cause of the malfunction.

510、If the damage is only to the middle treads, the tire is serviceable.

509、Operation of the handle releases the gas, and the slide-raft inflates. 操作手柄释放气体，和滑梯充气。

508、Reserve shall be computed as 45 minutes at the cruise power to be used for the flight.