The manufacturers have .pdf files that apply to their products. I just looked at Allen Bradley's website, and there was enough information there to make you forget that there is work to be done on your TR.
I see you are in New Lennox. This guy used to do all of ours. You can try and call him. He lost his wife a while back and might have closed up shop for a while. I have not talked to him for a while. You can tell him Darren from Huff and Huff, Inc told you about him.