[AJD] John Deere GP

[Paul O]

Charlie
A grinding sound may be caused by a bad bearing. Opening the final drives is 
not that bad. You do need a hoist of some kind because they are heavy. If 
you decide to do it, let me know. I may be able to supply some pictures 
which might help.

I do not know what kind of compression tester I have. Duanes' comment about 
fitting the head on a GP is appropriate. I seem to recall I bought some 
adapters to allow connection from the head to the tester. Someone advertises 
adapters to allow use of modern plugs in the old heads in one of the 
magazines.

I have not been to the shop since my illness (about 3 months). I expect to 
be going soon if you want me to check on something.

Paul O


----- Original Message ----- 
From: "Chas. C." <jdgp1931 at chartermi.net>
To: "Antique John Deere mailing list" 
<antique-johndeere at lists.antique-tractor.com>
Sent: Thursday, December 30, 2004 10:01 AM
Subject: Re: [AJD] John Deere GP


> Thanks for info Paul. As far as the final drive is concerned it is making 
> a lot of noise. Like a rubbing or grinding sound.
> What kind of compression tester do you suggest? That is one tool I don't 
> have. Can they be rented?
> Charlie
> ----- Original Message ----- 
> From: "Paul O" <mrgp at fwi.com>
> To: "Antique John Deere mailing list" 
> <antique-johndeere at lists.antique-tractor.com>
> Sent: Thursday, December 30, 2004 8:22 AM
> Subject: Re: [AJD] John Deere GP
>
>
>> Charlie
>> Perhaps the quickest and easiest way to check on your engine is to do a 
>> compression test. Both cylinders should measure about the same. If it 
>> starts easy, doesn't smoke, will pull what you want to pull, it ain't 
>> broke. If it ain't broke, don't fix it!
>> What kind of problem are you having with your final drive?
>> Paul O
>>
>> ----- Original Message ----- 
>> From: "Chas. C." <jdgp1931 at chartermi.net>
>> To: "Antique John Deere mailing list" 
>> <antique-johndeere at lists.antique-tractor.com>
>> Sent: Thursday, December 30, 2004 5:03 AM
>> Subject: Re: [AJD] John Deere GP
>>
>>
>>> Paul, out of curiosity, how does one tell if the engine is good? 
>>> Sometimes I think that mine should be gone through but on the other hand 
>>> it seems to run strong. Doesn't seem to blow off a lot of smoke and I 
>>> can't hear any knocking in there. Course my hearing ain't what it used 
>>> to be either. Comes from spending too many hours of my youth on the seat 
>>> of my Dad's GP.
>>> I do know that I am going to have to do some final drive work and 
>>> perhaps some clutch work.
>>> Charlie
>>> Charlie
>>> ----- Original Message ----- 
>>> From: "Paul O" <mrgp at fwi.com>
>>> To: "Antique John Deere mailing list" 
>>> <antique-johndeere at lists.antique-tractor.com>
>>> Sent: Wednesday, December 29, 2004 9:03 PM
>>> Subject: Re: [AJD] John Deere GP
>>>
>>>
>>>> Charlie
>>>> As I remember, that tractor had a good engine. I plowed with that 
>>>> tractor.
>>>> Paul O
>>>>
>>>> ----- Original Message ----- 
>>>> From: "Dee Schuyler" <web22hsz at verizon.net>
>>>> To: "Antique John Deere mailing list" 
>>>> <antique-johndeere at lists.antique-tractor.com>
>>>> Sent: Wednesday, December 29, 2004 7:34 PM
>>>> Subject: Re: [AJD] John Deere GP
>>>>
>>>>
>>>>> Charlie
>>>>> I was pretty fortunate with the GP. I bought it from list members Paul 
>>>>> and Michael Ostrander, and it was a running tractor when I got it.
>>>>> It had some brake shaft, final drive problems, that a few new shafts 
>>>>> and some metal spraying and machine work straightened out. The eng has 
>>>>> not been touched other than carb and mag rebuild. Lots of new seals 
>>>>> and new gaskets
>>>>> made to keep the oil where it belongs. Some sheet metal work and that 
>>>>> is about it, of course new rubber and some wheel cleanup.
>>>>> Total time just about a year, but I do not work on them on a daily 
>>>>> basis.
>>>>> This is my first GP and so far I am very happy. I have always had D 
>>>>> tractors and still have a couple, the GP is easier to get around, and 
>>>>> easier to crank, I think it will make a good addition to my little 
>>>>> collection.
>>>>> I should also thank Paul and Michael  for the help they have given me 
>>>>> as we went through a couple problems.
>>>>> Also thanks to Greg for a couple hard to find items.
>>>>> Dee
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ----- Original Message ----- 
>>>>> From: "Chas. C." <jdgp1931 at chartermi.net>
>>>>> To: "Antique John Deere mailing list" 
>>>>> <antique-johndeere at lists.antique-tractor.com>
>>>>> Sent: Wednesday, December 29, 2004 3:49 PM
>>>>> Subject: Re: [AJD] John Deere GP
>>>>>
>>>>>
>>>>>> Nice looking GP. What year is this? Wish mine looked as good. What 
>>>>>> all did you do to it besides paint?
>>>>>> Charlie
>>>>>> ----- Original Message ----- 
>>>>>> From: "Dee Schuyler" <web22hsz at verizon.net>
>>>>> _______________________________________________
>>>>>>> Antique-johndeere mailing list
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>>>>>>>
>>>>>>
>>>>>>
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>>>>>
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