Posted by Formerly PaMike on November 03, 2010 at 17:23:51 from (24.152.202.123):
I have a 350U that is leaking oil at the shaft that turns the pto on and off. I disassembled everything and took out the shaft and bushing that control the bands. This is the shaft that is leaking. The feel on the bushing on the shaft feels good, with minimal play. The problem is when you assemble it and put preload on the bands with the adjusting screws, the bands push down on the shaft, causing it to cock in the bushing.The far end of the shaft moves up just enough that you can see that the lower part of the seal isnt touching the shaft anymore. This lets it leak oil. Anyone ever seen this before? It appears to just be a poor design. The shaft and bushing only had about .005"clear, so I dont think you could do much tighter... Ideas?
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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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