Posted by JD Seller on November 02, 2016 at 18:33:38 from (208.126.198.123):
In Reply to: Case 580CK Advise posted by abertarelli on November 02, 2016 at 17:43:50:
Remove the pistons and rods from the block and measure the crankshaft. See if your crankshaft is worn. IF your sleeves have little to zero ridge and the pistons measure with-in spec. You can just hone and install new piston rings. You do not have to replace the sleeves and pistons to have a good running engine. You can roll new main bearing in without removing the crankshaft from the engine. So if the crankshaft is fine and you do not have front or rear seals leaking you do not have to remove the crankshaft.
Now for what may be your troubles. Where the connecting rod bolts tight??? If they come lose they will cause a knock real fast. I would take the connecting rod that is lose and measure it. If you do not know what it is supposed to be than just measure one of the "tight" connecting rods. There has to be wear on the crankshaft, the rod bearing or in the connecting rod itself for it to be lose. So find out what is wrong and then replace the worn parts.
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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