Re: TE20 Overheating problem

Posted by Jerry/MT on January 29, 2007 at 21:07:55 from (206.183.116.129):

In Reply to: TE20 Overheating problem posted by Roy Walsh on January 29, 2007 at 16:09:37:

Roy:
You sure it's a TE-20 not a TEA-20. TE-20 uses the Continental Z120 the TEA-20 uses the Standard Engine. The Continentals shouldn't have that high an oil pressure, don't know about the Standards. The Continental max oil pressure should be abou 30 psi and the minimum allowable is no less then 15 psi at hot idle. If you have a Continental and the pressure is that high, the relief valve is stuck and/or the oil filter is plugged.
When you fill the radiator, you are not supposed to fill it to the top of the tank. You fill it about an inch above the core. The rest of the room is for coolant expansion. If you fill it higher, the excess will boil out the overflow. Do you have a temperature gauge to tell you it's overheating? Or are you assuming it is because the coolant overflows? If it overflows on to your distributor or plugs that could cause a miss.
Another thing that can cause an overheating condition is too lean a mixture on the carburetor. Enrich the mixture by a half turn and see if that helps. The mixture adjustment screw is the big screw on the carb and you turn it counterclockwise to enrich the mixture.

You said that you covered your new thermostat in a pan of boiling water and after several minutes it didn't open. It may be defective if this is what you did.
Are you running with a pressure cap on the radiator? You should have a 7 psi pressure cap and if your pressure cap is missing or is faulty, that could cause an overheat.

Two additional pieces of advice. Get youerself a Ferguson Shop Manual for this tractor. It'll be a great help even though you disclaim any mechanical skills. A willingness to learn will go along way in working on these machimnes. They're not the Space Shuttle and they are relatively easy to work on. Also, ask this question over in the Ferguson Forum on this site. There's a English fellow, John(UK) that's familiar with the Standard Engine that can hep you on that engine and the TEA more than I can.

Hope this helps you.

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