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Harry Ferguson Tractors Discussion Forum
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Thermostat position and temp.

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Jim Emery

10-27-2004 07:45:38




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Where does the thermostat fit in the upper radiator hose on a TO-20. Also what temp. thermostat is normal

Thanks, Jim




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gshadel

10-27-2004 13:26:39




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 Re: Thermostat position and temp. in reply to Jim Emery, 10-27-2004 07:45:38  
Jim, that thermo should be right inside the upper radiator hose, closest to the manifold end of the hose is best. I install mine so it is actually touching the manifold neck. I've never had trouble with mine moving around in the hose, but have heard some guys cinch a ziptie around the hose to keep the thermo in place.

Warning! Those thermos will go in either way, but only one way is the RIGHT way. If you put it in backwards... it WILL overheat in a hurry... personal experience with that!! Most new thermos have an arrow for direction of flow stamped on them.
I heard of thermos set for 160 degrees and 180 degrees, general consensus seems to be hotter is better. A 180 degree thermo should start to open ~160 or so and be full open ~180 degrees or so.

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John (UK)

10-27-2004 14:34:16




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 Re: Thermostat position and temp. in reply to gshadel, 10-27-2004 13:26:39  
The correct thermostat for a TE/TO20 should crack open at 140 deg F and be full open at 199 deg F
Make sure that the bleed hole in the centre valve of the thermostat is at the lowest point when the thermostat in in its corect position in the top hose,so that any water trapped above the thermostat will drain completley and not be able to freeze and do damage.



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Jerry/MT

10-27-2004 19:39:38




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 Re: Thermostat position and temp. in reply to John (UK), 10-27-2004 14:34:16  
John, I would hope all of these tractors would be using glycol antifreeze in a 50/50 mixture with water as a coolant. Keeps the rust from forming and unless you get down to -40F, it keeps it from freezing.



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Jerry/MT

10-27-2004 19:39:28




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 Re: Thermostat position and temp. in reply to John (UK), 10-27-2004 14:34:16  
John, I would hope all of these tractors would be using glycol antifreeze in a 50/50 mixture with water as a coolant. Keeps the rust from forming and unless you get down to -40F, it keeps it from freezing.



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John (UK)

10-28-2004 10:33:29




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 Re: Thermostat position and temp. in reply to Jerry/MT, 10-27-2004 19:39:28  
Hi Jerry, Well I think we both know that lots of these tractors dont have the luxury of Anti-freeze they just get drained and stand outside all winter and we know that to be true with all the cracked blocks that keep coming up, Anyway they have been advised of the correct way to fit it now, it"s up to them what they do.



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Jerry/MT

10-30-2004 19:27:15




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 Re: Thermostat position and temp. in reply to John (UK), 10-28-2004 10:33:29  
Hi John,

Maybe that's how they crack over in your part of the world but the cracking on the Continentals we see over here is usually due to overheating. Radiators get clogged with chaff, a fellow has a half an acre to finish as the temp guage shows in the red and he thinks he can make it. Most of these machine see use plowing snow out of driveways in the winter so they were usually winterized. By the way, the old method of using tension rods through the water jacket to pull the cracks shut (they are usually located at the minimum section between the cylinders) has given way to furnace brazing and it works quite well. My remanufacured Z129 block has it and it runs like a top. Good talking to you. Cheers!

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John (UK)

10-31-2004 06:53:47




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 Re: Thermostat position and temp. in reply to Jerry/MT, 10-30-2004 19:27:15  
Hi Jerry, Actually not that many Continentals left here now mostly TEA"s and TED"s and of course Diesel TEF"s but we do get cracked blocks on the TEA/D quite a lot. Interesting about the Continental blocks though, I have seen it being talked about on here but never actually seen any of course but very interesting all the same, maybe we could do something like that with our cracked blocks too as they are always being sought after. We possibly will get round to it one day. ...John

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