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Re: stuck 60 pistons
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Posted by Clooney on November 29, 2002 at 10:53:26 from (172.162.215.220):
In Reply to: stuck 60 pistons posted by Lary; on November 29, 2002 at 10:14:51:
Lary, there are about as many ways to free up stuck pistons are there are ways of a teenager telling you why they didn't do something.
~My suggestion is to listen to them all & use the ones that fit your needs & sound like something you would like to try.
~There is always a chance you could bend a rod if you try twisting that crank with stuck pistons.
~In my opinion, if I have one stuck as tight as yours seem to be there isn't any reason to do it on the tractor. Even if it comes free it will probably need rings & the pistons pulled out & the bores honed at the very least [maybe more].
~What I have found that works extremely well for me is to remove the cylinder block with the pistons & rods still in it, then set the block upright on 2 piles of 6X6 oak blocks with the rods hanging straight down, then put about 1/2" of diesel fuel in both cylinders, then light diesel & let it burn out, then pour about another 1/2" of diesel in the hot bores & let it sit for a while & cool off , then light it again & let it burn out, then pour more diesel in the cylinders & place a 4X4 or big round piece of wood on the top of the pistons with rags stuffed around the wood block [you don't actually need the rags stuffed in to get the pistons out, but if you don't use them you will soon see why I recommended the rags], then swat the top of the wood block with a big hammer, I have found that the pistons will usually move quite easily using this method with no damage to the pistons or bores.
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