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Tractor Pulling Discussion Forum

Oil filter housing clearance on '47 JD A

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ToddF

01-21-2005 09:10:46




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I asked this question a year or so ago and did not find the answers in the archives so I'll ask again. We are putting 9.250" of stroke in a '47 JD A and the crank clears the oil filter housing/pressure regulator body but the connecting rod hits it. Can we grind the top of the oil regulator to clear or do we need to somehow cut the filter housing down? If we cut the housing down how do we go about adjusting the oil pressure setting? What oil filter do we use afterwards?
Thank you for any help.---ToddF

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Pullin A

01-21-2005 21:13:58




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 Re: Oil filter housing clearance on '47 JD A in reply to ToddF, 01-21-2005 09:10:46  
I did a 9" last year and I cut the rear most part of the housing on a 60 degree angle. Cut the part where there are two little bolts that hold the adjusting screw assembly together. I cut the back bolt right off and part of the threads of the front bolt were taken out. Make sure to leave enough metal/threads so the front bolt still holds your pressure adjusting screw assembly together. The housig is tapped on the left side of the housing. So from the rear to the front of the tractor your cut/grind will go right to left. Kinda on an angle like this \ slash. Email me if you have any questions!!!

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jugs

01-21-2005 10:02:45




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 Re: Oil filter housing clearance on '47 JD A in reply to ToddF, 01-21-2005 09:10:46  
yes, you can grind some on the housing. Not sure just where on it you are hitting, but you can grind to some extent. If you choose to change filter cannisters, use on from an H and an H filter. All you'll have to do is make new lines...it is THAT EASY! To adjust pressure turn adjusting bolt or screw, shouls show in I.T> manual. Hope this helps you out!



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ToddF

01-21-2005 10:27:52




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 Re: Oil filter housing clearance on '47 JD A in reply to jugs, 01-21-2005 10:02:45  
Thanks jugs.

There is an access plug in the side of the crankcase to adjust the oil pressure. If we lower the regulator I'm not sure we can still reach the adjusting screw? This engine was not running when we bought it and I don't know if we will need to make any pressure adjustments. Can we still reach it if the regulator is lowered? I do like the H filter idea.

Thanks again...ToddF



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jugs

01-21-2005 15:31:04




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 Re: Oil filter housing clearance on '47 JD A in reply to ToddF, 01-21-2005 10:27:52  
Todd, I honestly can't tell you i9f you can reach it or not. Possibly have to remove top cover after you have found what pressure is and by trial and error adjust it. If you come down from the top can you get beside it and adjust it? Honestly, it's not a real high pressure system. As long as oil is pumping I wouldn't be too worried. If it only shows med. foer example, I'd rest assured.



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jugs

01-21-2005 15:33:05




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 Re: Oil filter housing clearance on '47 JD A in reply to jugs, 01-21-2005 15:31:04  
Todd, another thought...if you cant reach adjuster through hole, just drill another hole, tap it and it's done. Not a big deal. Don't worry about it. It will work out for you.



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