[AJD] JD 40 Carb

LeRoy Price lep at epix.net
Tue Sep 7 04:40:40 PDT 2004


Duane,

Both kits had the needle with the tip you mention but there was a slight difference in the seat length when I compared the old with the new.  The old ones screw in very nice, no fighting.  I also noticed that the float looked a bit shorter from the original but not much.

Maybe I should order another from Greg rather then Wenger's here in PA.

LeRoy


> 
> From: "Duane Larson" <jdlarson at comcast.net>
> Date: 2004/09/07 Tue AM 12:30:12 EDT
> To: "Antique John Deere mailing list" <antique-johndeere at lists.antique-tractor.com>
> Subject: Re: [AJD] JD 40 Carb
> 
> LeRoy,
> That sounds strange - I've built a bunch of TSX carburetors and rarely have
> a problem screwing the seat in place.  I wonder if you were given a wrong
> kit, or it contains the wrong needle and seat.  Does the needle have a viton
> (rubber) tip?  I don't recall a problem with needle size, but it is late and
> I can look at my notes later today.
> 
> Another distinct possibility is the float is hanging on the cast body - that
> is hard to see, make sure the float arms are symmetric as if they are bent
> much they will drag and not cause the needle to seat.  Bruce was right - you
> should be able to hear the float move up and down as you turn the carb.
> Duane Larson
> 
> ----- Original Message ----- 
> From: "LeRoy Price" <lep at epix.net>
> To: "Antique John Deere mailing list"
> <antique-johndeere at lists.antique-tractor.com>
> Sent: Monday, September 06, 2004 10:28 PM
> Subject: Re: [AJD] JD 40 Carb
> 
> 
> >
> > Yup, I had problems putting that seat in and I believe you are talking
> about that little O ring that seat under it.  You know I bought 2 carb sets
> for each JD 40 I have.  The seats seems to be slightly taller.  I had to go
> out and buy a screw driver that was wider but still was a tad short at the
> blade.  I got it in both carbs almost 3 quarters in before I really had to
> apply pressure.  I had to give up on the JD 40S it just wouldn't go in but I
> was able to get it in the 40W.  I did eventually hook up the gas without the
> body to see if it shut off.  Thats when I saw it leak around the seat, a
> little more pressure to tighten it seem to work.  But once I get it together
> it floods.  Not sure how far I can bend the floats down before I don't have
> enough gas in the bowl.  The kits said JD40 but maybe there marked wrong.  I
> lostthe original needle or I would have put that one back.  One thing I
> noticed is that the new needle doesn't fit in the old seat its bigger.  Is
> that right?
> >
> > LeRoy
> >
> > Incompetence: When you earnestly believe you can compensate for lack of
> skill by doubling your efforts, there's no end to what you can't do.
> >
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Incompetence: When you earnestly believe you can compensate for lack of skill by doubling your efforts, there's no end to what you can't do.




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