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TO30 overheating

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Rick

06-18-2000 11:56:01




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I have a TO30 that starts to run hot after about 35-40 minutes of work .It starts to blow water out of the top of the radiator over flow tube. There is no water found in the oil and no oil found in the water. I installed a water temp gauge and I shut her down when she reaches 200 . What is the normal operating temp, and what could cause it to over heat so quickly. I have replaced the water pump, I checked the radiator fin's for trash, non found. Could it be the thermastat????? ?HELP

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SandyB@TN

07-03-2000 18:50:11




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 Re: TO30 overheating in reply to Rick, 06-18-2000 11:56:01  
Rick,
A question. Does your TO-30 still have the fan shroud on the radiator? If not, that's almost certainly your problem. I have been dealing with this myself. Tractoring around just doesn't move enough air throught the radiator to keep the engine cool. I went to the junk yard and got an electric cooling fan off a late model car. Works like the proverbial charm.
Sandy



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Rick

07-08-2000 06:17:49




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 Re: Re: TO30 overheating in reply to SandyB@TN, 07-03-2000 18:50:11  
No it does not have a fan shroud installed on it . And the electric cooling fan sounds like a great idea. I'll try that as soon as I get back in town. I'm also going to remove the thermostat and see what that does .

Thanks to everyone for there input , this forum is a great thing for the folks like me that knows very little about their tractors. Im learning alot about them though.

thanks again
Rick

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Joe Ferguson

06-19-2000 09:57:47




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 Re: TO30 overheating in reply to Rick, 06-18-2000 11:56:01  
Hi Rick

I had opposite problem in winter few years ago
the engine won't heat up tem gauge was very low
i removed the thermostat it was stucked open
and seems to be the original one. I changed it
and temp runs normal. If the thermostat stucks
closed the engine will rapidly overheat.
Do not run your engine overheating it will cost you many $$$$$$ to repair it.

Hope it helps....keep us informed

Joe Ferguson.

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LMills

06-19-2000 05:07:53




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 Re: TO30 overheating in reply to Rick, 06-18-2000 11:56:01  
Rick,
My TO30 was doing the exact same thing and this was what was wrong. The oil port was clogged on one of the rod bearings crankshaft lopes. It ran like that for months and then one day while disking the garden, it overheated so I pulled it over to the side and shut it down to let it cool. When I went back the engine was froze. New crankshaft and new bearings. About $700 dollars. That might not be your problem but don't let it go too long without taking action. I tried all the fixes in the cooling system first as you should but never considered the bearings. Good luck. Lou

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TO2033322

06-18-2000 14:45:13




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 Re: TO30 overheating in reply to Rick, 06-18-2000 11:56:01  
Rick I would change the thermostat first. It is located in the upper radiator hose.I&T shop manual FE-2 states that the thermostat starts to open at 155 to 165 deg F and is fully open at 185 to 195 deg F(sometimes known as a 160 deg F thermostat). The TO30 uses 7 lb pressure cap to raise the coolant boilling point to 232 deg F.I was told by a third generation M.F. guru that the bypass hole in the thermostat should be drilled out 2 drill sizes bigger. This helps to stop boil overs. One last thought,my TO 20 doesn't have a thermostat installed , in runs 120 to 160 deg F. The guru said most people take it out and throw it away.TO 20's and 30's have a bad reputation for cracking the block between #2 and #3 cylinder walls due to over heating. I hope this helped good luck . p.s. post what you found and share the wealth.

Bill Mc

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lars

06-21-2000 10:57:04




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 Re: Re: TO30 overheating in reply to TO2033322, 06-18-2000 14:45:13  
if you do decide to replace the thermostat don't buy the one listed by central tractor for the ferguson, it wont fit. the correct one is the thermostat for an 8-n. this is for the thermostat in the upper radiator hose. good luck



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