Posted by Inno on August 16, 2010 at 06:19:26 from (70.54.184.7):
After careful research and consideration I have decided to abandon the factory power assist steering on my 202 Massey Ferguson industrial. The cylinders and hoses had been stripped off it years before I owned it and with the front end loader I have been struggling to steer it and destroying the ball screw on the steering shaft. The ports on the control valve were left open so water got in and pitted all the mating surfaces very badly. So essentially every thing would have needed replacement, BIG $$$ and I'd still have an old steering system. Being as how there is no kit for my machine (probably because it had power steering from the factory) I have done a lot of research and found all the parts I need from various places. There will be no physical geared connection between steering wheel and front axle but I have left the sector gears in place to keep the front wheels doing the same thing at the same time. E-Bay saved me probably $500-600 so far. It is based on a Char Lynn rotary steering valve getting power from the FEL hydraulics through a priority flow dividing valve. So if all my calculations are correct I should have full blown hydrostatic power steering within a week or two.
If anyone is interested I will take lots of pictures and document my work here. Then once I'm done (and if it all works as I hope it will) I will be able to answer questions for people who want to do it themselves.
This post was edited by Inno at 06:21:12 08/16/10.
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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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