sweetfeet - been watching your progress on this, but still really have no idea exactly what you're talking about.
However - I'll chime in anyways with my 2 cents, just because it's something I see a lot of with people pressing shafts out of anything.
My apologies if it doesn't apply in your case.
But many times pressure and force can deform the part being pushed out. It's easy to forget just how maleable the metal can be because it looks so solid. In fact it's like butter - a suprising small amount of force will mushroom the shaft outwards.
In the case of a shaft through a tight tolerance hole - just the SLIGHTEST deformation can make it impossible to remove it.
And the harder you try, the more impossible it gets.
Whatever the size of the shaft - I find it extremely important to push with the smallest diameter tool possible - sitting against the very center of the face of the shaft you're trying to push out.
In other words if you're pushing around the edges, you're only going to make your job tougher.
If you push on a smaller center area, the sides can be deformed back in as it goes through.
Maybe you already know this - or tried it - but again figured I'd mention it.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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