I've been asked to work on the chassis shown in the pictures (follow the flikr link below). I don't mind RTFM. I just need to know where to start.

What system is this?
Which manuals do I need?

My first task is to move some line appearances to different sets.

Hope you guys can help.

Thank you

Link to pics

https://www.flickr.com/photos/68386025@N04/sets/72157627714834605/