Whups, my mistake. The worn pilot seat was on an 81 model electric / hydraulic model, not sure if the old 2 stick machines have the same relief valve.
I do remember repairing hydraulics on a 78 model 2 stick 1480 that had low pressure and severe oil heating. That one had a leaking O ring on a fixed pressure relief valve cartridge.
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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