All files in the table are zipped. To open the files under e-drawings you need a 2D or 3D CAD Viewer. Download a free version of a viewer.
The files under Motor, Fan IC 06, Air/Water heat exchanger IC 86 W and Air/air heat exchanger IC 666 are STEP files which require a 3D CAD program to be opened. How to use the step files to create an assembly of a DC machine and fan.