This is NOT the Oliver 550 tractor. I have emptied the whole system and cylinder of old fluid and reassembled with the arms down. I put in new fluid and started the tractor with the lever in DOWN position. When the tractor started, the arms immediately raised to the top and stayed there after motor was turned off. I agree about your point on a blockage, but where? In the return line to the pump? Could a bad control valve be the culprit? Or the saftey relief valve?
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Today's Featured Article - Diagnosing Engine Difficulty - Diesel Tractors - by Staff. The following suggestions are listed for your assistance. You can make simple adjustments on your tractor that will improve its operation and save you the time and expense of hiring someone to do it for you. Always make one adjustment at a time, and if the adjustment made does not improve the condition, return to the original setting before proceeding to the next adjustment. Hard Starting Cold air temperatures. Insufficient fuel.
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