The stock cam gear is not heavy enough , like others have said . Ya need to step up to the 450 cam gear . Also check how much pressure your putting out , You should be around 1250 and not above like 1450 , these old systems were not really that high in pressure and they do not operate some of the newer implements of today that run higher pressure on smaller cylinder dia. If you are finding it hard to lift some things with the factory mounted cylinder don't try jacking up the pressures to do this as you end up trashing out the gear . If it won't lift with a two inch cylinder then go with a three if three don't get the job done then go to four , yep it will be a slower lift because your old pump may not be putting out the GPM's that it did when new . and at best 12 GPM's is new spec. on like a 400-450 and around 10 on 300 and 350.
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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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