Thinking about it, you should tell someone on your next shift, if you're going the same thing. Don't mention it happened the previous shift, because they'll ask why you didn't bring it up right away. They could always claim you did it during the weekend or off hours, which could hurt any case you may have.

I'd also insist on being trained on the ballymore. The equipment is there to make your life easier. You should be taught how to use it to be safer and more productive.