i had gotten water in my machine and did in the circuit brd. i also had a weak bad motor after running it for 48 yrs. i contacted rick scott the owner and ordered a new motor and control brd. although pricey, a bit, was quite worth it and machine is still knocking them out. he also gives you the info for the connections of newer board. you can contact me if you please i can give you the contact info i have for rick. email@example.com. i also make dops and other thing for the raytech including an adapter to replace the little quill collar with one for using regular short standard dops,1/4″, and don’t have to use the long ones.