Posted by 4020 on November 05, 2012 at 16:55:36 from (72.35.163.18):
Here are a couple pictures of the side mounting frames that I welded to the front weight brackets years ago to help strengthen the frame and then I added a crossmember underneath connecting the two brackets together under the engine oilpan, then I added a crossmember across the top of the loader above the hood and took all of the wobble and side to side twist out of it. The reason I did that was because I"ve worked on a couple of 4020"s in the past with the same frame brackets with no support going forward and they had broken the frames and stuck the fan thru the radiator, along with some other damage. Welding the bracket and the frame together probably did put extra pressure on the engine on the backside of the frame, so instead of the frame breaking, I broke the block. This time when I put it back together I"m going to run the framework all the way back to the rearend so I don"t have this happen again. Someone mentioned maybe I did not have it torqed right, but the last time I had it apart was in 1990 for the clutch, so I do not think that was the problem. After I broke this tractor I went to John Deere to see about buying a new John Deere 740 loader for the 4455 tractor. Like JDseller said, they don"t make a big loader anymore.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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