Help with installing Cabins and Sounds

[Railion 1600]

Maybe you have to change the names of the .cfv-files (for cabviews) and the .sms-files (for the sounds), or the .eng-files (locomotives and trainsets) , if you want to use other sounds, or .wag-files (for passenger cars and freight cars, but usually use the Russian freightcars the sounds in the main-soundfolder of MSTS.