cab heater

Anonymous-0 · Dec 5, 2010

Can anyone help me in getting heat from the heater on a 656 with a cab. The hose going up is hot and if I crack the hose coming back to the radiator it will heat but I can"t get any consistent heat. The return hose is connected to the bottom of the radiator as the tag says. The incoming line comes from on top of the head with the temperature gauge sensor. Seems like it would maybe work better if the return hose was connected to the inlet plug on the water pump, it has two pipe plugs in it. Anybody have any experience here? Thanks in advance.

Dellbertt · Dec 5, 2010

I don't.
But if you click on search above this forum and then "search archives" you will find lots of knowledge. keyword - 656 heater

Here is one of the finds.
http://www.ytmag.com/cgi-bin/viewit.cgi?bd=farmall&th=635799

Dell

Allan in NE · Dec 6, 2010

You want to isolate that radiator away from the heater.

Hook one of the hoses to the front of the head at the thermostat outlet and the other to the back of the head (you'll have to pull a plug).

Put in a manual shutoff at the rear port so as to be able to kill the heat in the summer. Oh, and keep that rear hose away from the exhaust manifold.

My Hydro 70 (basically the same tractor) is throwing heat within just 2 or 3 minutes of starting.

Allan

Owen Aaland · Dec 6, 2010

There were several different water pump castings used on those engines and not all of them have a port in the intake side. The diesels used the port for return from the oil cooler but a lot of gasoline engines did not have the port. Because of that cab manufacturers generally routed the heater return to the bottom of the radiator.

If you use the water pump port you will have much better circulation through your heater.

cab heater

Anonymous-0

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Dellbertt

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Allan in NE

Well-known Member

Owen Aaland

Well-known Member

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