Description given on Youtube:
How to repair a steel rear tractor wheel which rusted through at the valve stem area as a result of the tire solution (calcium chloride used for weight) leaking from the inner tube. It covers using a needle gun to clean the wheel, cut out the section in need of repair, then fit up and weld in two new pieces of steel to complete the repair. Information on helping to prevent rust, using a mixture of tar and oil.
Below are the addresses my YouTube channels, Google + channel & HRI Services welding Facebook page:
https://www.youtube.com/channel/UCLl9WF91o97qnNIlmEyAf6w
https://plus.google.com/u/0/105321866291499469146/posts
https://www.youtube.com/channel/UCIN9CihUJ8_b6yhWvON6yhA
https://www.facebook.com/pages/HRI-Welding-Services/728307263949994