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HEATER ON 620

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PAUL

12-26-2000 22:49:17

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I AM TRYING TO PUT A BLOCK HEATER ON A JD 620 . CAN SOME ONE TELL WANT I AM DOING WRONG.THE ONLY PLUGS. THAT I CAN FIND. ARE ON THE UPPER AND LOWER RADIATOR PIPES.WHEN HOOKED UP ALL IT DOES IS HEAT THE RADIATOR UP. WILL TAKE ANY HELP. THANK-YOU.

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Bill E.

12-28-2000 02:34:48

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Re: HEATER ON 620 in reply to PAUL, 12-26-2000 22:49:17

Paul,

If you are hooked up to the outlet side of the thermo (radiator side), then the connection needs to be changed. I looked at my 630 setup w/tank heater and it is plumbed into the cast elbow coming out of the top of the block. We had to drill a hole and thread in the hose fitting. This is the upper hose from the heater.

The lower hose from the heater is plumbed into the drain plug located on the inlet casting going into the bottom of the head.

If you don't care to drill, then maybe the immersion heater or the contact heater, as mentioned in the other posts would be a good choice. Hope this helps.
Bill

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Kerry Miller

12-27-2000 21:07:06

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Re: HEATER ON 620 in reply to PAUL, 12-26-2000 22:49:17

I'm not sure if this will help you any, but at least you won't have to make any mods to the tractor... I've got a magnetic block heater I use on my father's Long 2610 sometimes if it gets really cold (not very often here in TX) and it seems to work fine. It's got a little handle on it, you just stick it to the block and plug it in, when you get ready to use the tractor just pull it off.

I started my 50LP last week, first time in about a month, 33 degrees and it started fine. This propane is great stuff!

;-)
Kerry

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G Taylor

12-27-2000 20:49:19

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Re: HEATER ON 620 in reply to PAUL, 12-26-2000 22:49:17

Using an external tank heater? Is that upper plug above or below the thermostat?
Have good success on my 620 with a little immersion unit threaded into the water inlet casting under & at the front of the engine. About a 3/4 or 1" pipe plug thread.

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PAUL

12-27-2000 22:01:39

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Re: Re: HEATER ON 620 in reply to G Taylor , 12-27-2000 20:49:19

MR. TAYLOR THAT TOP PLUG IS ON THE OUTLET SIDE OF THE THERMOSTATS. THANK-YOU FOR YOUR INFO.

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Bill E. Thermostat missing??

12-27-2000 10:04:39

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Re: HEATER ON 620 in reply to PAUL, 12-26-2000 22:49:17

Paul,

You possibly have a missing thermostat. One way to check is to start your cold tractor(if it will start) and check to see if the coolant is circulating. A missing thermostat or a stuck open one will let the fluid circ. through the radiator when cold. This possibly could explain the warm radiator and not the block. There's a place to start.
Bill

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PAUL

12-27-2000 17:20:47

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Re: Re: HEATER ON 620 in reply to Bill E. Thermostat missing??, 12-27-2000 10:04:39

BILL IF THE TERMOSTATS WHERE MISSING OR STUCK OPEN. WOULDN'T THE ENTIRE SYSTEM BE TAKEING ALONG TIME TO HEAT UP. NOT JUST THE RADIATOR IN LESS THEN ONE HOUR. DO YOU KNOW OF ANY BLOCK CONNECTIONS ON THAT MODEL. THE TOP FITTING IS ON THE OUTLET SIDE OF THE THERMOSTATS. OR DO THINK I SHOULD JUST CALL A DEALER.

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PAUL

12-27-2000 17:20:45

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Re: Re: HEATER ON 620 in reply to Bill E. Thermostat missing??, 12-27-2000 10:04:39

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deere-hunter

12-27-2000 06:39:07

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Re: HEATER ON 620 in reply to PAUL, 12-26-2000 22:49:17

not sure what style heater you have but on my 70 I have a heater that replaces the drain in the lower radiator pipe this does a great job for me.

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PAUL

12-27-2000 17:26:11

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Re: Re: HEATER ON 620 in reply to deere-hunter, 12-27-2000 06:39:07

DEERE-HUNTER DID YOU BUY THAT HEATER AT THE DEALERSHIP.

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