ironhoarder: Don't run it, don't even start it up until you get to bottom of problem. I don't know that 806 was ever prone to this problem, but the smaller 706 could break sleeves around the top. It would start off as a minor knock, that was the warning to shut it down.
The minor knock was sleeve moving up and down in the block, next move was piston sucking sleeve down with it, now the problem occurs when piston comes back up, things jamb up a bit when piston comes up.
I had this happen with my 560 with 282 diesel, same engine as 706. Tractor was on blower at silo, a young lad was changing wagons, 560 still running. He heard the knock, rather than shut it down he ran for help. When he got back with help, there were parts of two pistons plus parts of block scattered across the barnyard. KNOCKS are a warning, don't ignor them.
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a �kid� (still am to a deree) about two I guess, my parents couldn�t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He�s been run over by a train, he�s gone forever!" Where did they find me? Perched up on the seat of the tractor. I�d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this �green planet�. I�m par
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