[AJD] GP cooling system

John & Jan Paur johnjanpaur2 at directcon.net
Fri Mar 7 17:01:47 PST 2008


The block drains thru the lower radiator tank.  JP

----- Original Message ----- 
From: <jdgp1931 at chartermi.net>
To: "Antique John Deere mailing list" 
<antique-johndeere at lists.antique-tractor.com>
Sent: Friday, March 07, 2008 3:23 PM
Subject: Re: [AJD] GP cooling system


> Don't know. Dad did it every winter since I can remember. He farmed 
> actively
> with the GP until her retired and sold out in 1958. If he had ever cracked 
> a
> block I wasn't aware of it.
>
> Charlie
> ----- Original Message ----- 
> From: "Michael Scholl" <buck69_hunter at hotmail.com>
> To: "'Antique John Deere mailing list'"
> <antique-johndeere at lists.antique-tractor.com>
> Sent: Friday, March 07, 2008 1:53 PM
> Subject: Re: [AJD] GP cooling system
>
>
>> Not that I've ever seen it on a JD, but I would expect that there was a
>> risk
>> of cracking the engine block if straight water was used and just drained
>> from the radiator.
>>
>> A friend had it happen on a '49 Merc.
>> Mike
>>
>>
>>
>> -----Original Message-----
>> From: antique-johndeere-bounces at lists.antique-tractor.com
>> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf Of
>> jdgp1931 at chartermi.net
>> Sent: Friday, March 07, 2008 10:21 AM
>> To: Antique John Deere mailing list
>> Subject: Re: [AJD] GP cooling system
>>
>> I remember when I was real young my dad used a corn cob on our GP. That
>> was
>> in the winter. In those days he never ran anti freeze. After each use
>> (mostly to spread manure) he drained the radiator and next time he used
>> the
>> tractor would fill it with fresh water. I  the summer he fashioned a
>> wooden
>> plug.
>> Charlie
>>
>> ----- Original Message ----- 
>> From: "Michael Ostrander" <antiquejd at fwi.com>
>> To: "'Antique John Deere mailing list'"
>> <antique-johndeere at lists.antique-tractor.com>
>> Sent: Thursday, March 06, 2008 11:22 PM
>> Subject: Re: [AJD] GP cooling system
>>
>>
>>> Kreig-
>>> Saw one with a farmer/fisherman fix.  They took the rubber plug out of
>>> the
>>> back of a rowboat and used that instead of the real pipe plug.  Sure 
>>> must
>>> have made things easy to open and close.
>>>
>>> -----Original Message-----
>>> From: antique-johndeere-bounces at lists.antique-tractor.com
>>> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf 
>>> Of
>>> kreig
>>> Sent: Thursday, March 06, 2008 9:01 PM
>>> To: Antique John Deere mailing list
>>> Subject: Re: [AJD] GP cooling system
>>>
>>>
>>> Thanks Michael
>>>
>>> Sad to say the GP sat out all winter, just no room anywhere for cover.
>>> Started it up yesterday and ran very poorly.  cleaned the sparkplugs, 
>>> new
>>> gas, and still not runnign well, seemed like it was starving for gas
>>> sometimes.  Bowl and filter clean.  Then it seemed to be running "hot" 
>>> so
>>> shut it down and checked the radiator, DRY!!!!!!!   So much for my
>>> springtime starting routine!!!!!  I dont think there were ever any leaks
>>> in
>>> the system and trying to think when I checked it last season.
>>>
>>> So tomorrow i will fill with mixed antifreeze and run it up again.
>>>
>>> I was not even thinking about touching that front drain plug, looks like
>>> a
>>> BIG problem if ever loosened up.
>>>
>>> Kreig
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> ----- Original Message ----- 
>>> From: "Michael Ostrander" <antiquejd at fwi.com>
>>> To: "'Antique John Deere mailing list'"
>>> <antique-johndeere at lists.antique-tractor.com>
>>> Sent: Thursday, March 06, 2008 5:24 PM
>>> Subject: Re: [AJD] GP cooling system
>>>
>>>
>>>> Good Evening Kreig-
>>>> The plug that you mention on the front of the bottom tank of the
>>>> radiator
>>>> is
>>>> indeed where it should drain from.  They are often rusted badly and
>>>> leak.
>>>> I
>>>> have had several drilled out and weld in a pipe coupling so I can put
>>>> the
>>>> pipe plug back in.  If you don't want to mess with the plug, you can
>>>> also
>>>> loosen the hose clamps on the rubber hose that connects the radiator to
>>>> the
>>>> bottom of the head.  A little twist on the hose and generally the water
>>>> will
>>>> come out slowly or if you twist enough that you create an opening, it
>>>> will
>>>> empty rather quickly.  I cant say I have paid much attention to the
>>>> capacity
>>>> of the cooling system.  I keep mixed antifreeze around to fill tractors
>>>> and
>>>> just use what I need.  Hope this helps, good luck.
>>>>
>>>> -----Original Message-----
>>>> From: antique-johndeere-bounces at lists.antique-tractor.com
>>>> [mailto:antique-johndeere-bounces at lists.antique-tractor.com] On Behalf
>>>> Of
>>>> kreig
>>>> Sent: Thursday, March 06, 2008 6:58 PM
>>>> To: Antique John Deere mailing list
>>>> Subject: [AJD] GP cooling system
>>>>
>>>>
>>>> I have owners/operator manual for 1930 GP.
>>>>
>>>> Cant find any mention of the size of the cooling system.
>>>>
>>>> Also where is the plug for draining?  I see one plug centered on the
>>>> front
>>>> side of the radiator and not sure if it would ever actually open.
>>>>
>>>> Thanks for any responses.
>>>>
>>>> Kreig
>>>>
>>>>
>>>>
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