Hello BonnarMan,
Firstly a warm

to the ODK Forums.
If you could upload some close up shots of the reel and bed knife area and also take the chain case cover off and take some shots of the associated sprockets and chains.
I'm sure we'll be able to give you some good advice and get you up and mowing again.
BTW you have posted in one of the two correct areas, the other being "Question on Scott Bonnar Cylinder Mowers" which is under the "Repairs and Maintenance" heading, which is probably the better option but as it's a "Rover issued machine" you are correct.
Cheers
BB.