458、Examine the tubing for worn areas.

817.If you find a crack, do the applicable repair procedure.

816、如果你发现了裂纹,进行相应的修复程序。

815.Documents must be readily revisable

814、文件必须易于修改。I

813."Maintenance Practices inspection/check, cleaning/painting, and approved repairs should follow the Troubleshooting Section.

812、Remove the four screws that attach the flange to the cover.

811、Find the cause of the incorrect indication.

810、 每一节应从右侧页面开始。

809、 Interconnects to other systems should be plainly noted

808、逆时针旋转盖子