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He Rebuilds Wheel Hubs On Deere 4020 Tractors
Dale Denton, Cowden, Ill.: Dale developed a method of rebuilding the wheel hubs on Deere 4020 tractors at a fraction of the cost of new ones. It's all a case of precision matching of new holes with the original ones in the hubs. The problem happens because the threads go bad.
Denton uses 1/4 or 5/16-in. thick steel to build a template ring with holes that perfectly match up with the original holes in the hub. He makes the new holes between the original ones and then welds the template to the hub. He puts the template piece in a mill so that he can get a precise match - within 10 seconds of a degree. Then he's ready to drill new holes. Once the new holes are drilled he grinds off the welds that hold the template.
New replacement hubs can cost about $350, but Denton says he can rebuild them for a lot less money.

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2007 - Volume #31, Issue #4