454、修订意味着对现有手册中的信息进行修改。

821.Operate the unit for two cycles to remove air from the lines.

820.Operate the unit for two cycles to remove air from the lines. 操作该装置两个循环,从管路中清除空气

819.Once designed and approved, the establishment of thorough maintenance procedures is a must.
一旦设计和批准,建立彻底的维护程序是必须的。

818.once designed and approved, the establishment of thorough maintenance
procedures is a must.

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.