Ahoy!
I too had problems with that mod, things seemed to be missing and what not. I solved my problem by just using H.sie's version of it
http://www.subsim.com/radioroom/showthread.php?t=159346
It is similar I think, with a few key differences. Namely, I believe the horizontal mark numbering on the attack periscope was changed. It should all be in the read me.