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Peter Scott Aus

08-04-2007 13:59:04




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Hi, thanks for your imput KEH. Here is some more info. No, the smoke is actually exhaust smoke coming from the radiator. The water is in the sump and coming from e port 3. Before installing the head I had it reconditioned and pressure tested. thanks

Peter




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KEH

08-04-2007 15:27:48




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 Re: more info in reply to Peter Scott Australia, 08-04-2007 13:59:04  

My limited reasoning was off on the smoke, I realized after thinking about my post.
There has to be some escape of combustion gases into the water jacket. Could there be a hole in the cylinder wall? I'm thinking of a sequence like this: Engine is cranked and combustion pressure pushes gases into water jacket and out the radiator. Then the tractor is shut down, cools off,pressure in cylinder drops and water leaks into cylinder. Then when engine is cranked again water is forced from cylinder into exhaust port. That dosen't explain how water is getting into the oil, though. I would think that water could only get in the oil from a crack somewhere. I'm still suspicious of the head gasket since that has been the source of water in the oil for me. Does the water in the radiator boil out quickly? An engine did that for me and it had a blown head gasket. Hope my ramblings help you think of a solution.

KEH

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jddozermike

08-12-2007 12:58:13




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 Re: more info in reply to KEH, 08-04-2007 15:27:48  
yes , but the water could leak past the rings into the crank case in this scenareo.



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Peter Scott Australia

08-04-2007 23:39:17




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 Still looking in reply to KEH, 08-04-2007 15:27:48  
Yes,it all looks bad. The water actually pumps out of the exhaust port as the motor runs, so it is soooome leak. The gas is obviously doing the reverse. I have been told of a water seal at the bottom of the cylinder sleeve but I don't know anything for sure.
thanks
Peter



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matt(pa)

08-06-2007 08:26:29




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 Re: Still looking in reply to Peter Scott Australia, 08-04-2007 23:39:17  
There are o-ring seals on the bottom of each sleeve. Apparently the seats for these seals have a habit of rotting away, which leads to lots of water in the crankcase. At least that is the case with the Super Major. Friend of mine talked to a few old diesel mechanics while rebuilding his FSM, and they recommended applying JB weld around the bottom of the sleeve once the o-rings were in place. I saw the work, and it looked good, but I had my doubts about the longevity of such a solution. Seemed like a bandaide fix to me. Anyway, he has been running that tractor hard now for many years without a problem. Shows you what I know!

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Peter Scott Australia

08-27-2007 16:16:29




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 Re: Still looking in reply to matt(pa), 08-06-2007 08:26:29  
Thanks for all the imput, I will dismantle it when I have some time.

thanks

Peter



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