There is a clear plastic cover with a bolt and locking nut. I can't find in any literature what this piece is for or where it goes

There is a clear plastic cover with a bolt and locking nut. I can't find in any literature what this piece is for or where it goes

HI 

That is the Splash plate that mounts off the shaft of your Impulse Pedal Drive to prevent splashes of water from coming up through the scupper hole. 

Here is an article.  Download the attached PDF to this article and see Page 9 for splash guard assembly. 


Hope this helps,