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Carb rebuild kits.

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6N's Short

05-10-2005 11:08:46

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I took the carb apart on my 2N because of a leak. Gas dripping from the bottom hole and also from the air intake by the choke. The Ford dealer only had a full rebuild kit ($48) and strongly discouraged me using a basic rebuild kit from other sources ($15). I had thought my float was bad but it checked out OK. Now I am thinking the float valve might not be up to snuff but, of course, don't know. Would I be better off to pitch all of the old guts to the carb and put in the full rebuild or should I just go with the cheaper kit? I hate to throw away perfectly good parts. Am I being pound-foolish?

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Scott PA

05-10-2005 18:25:45

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Re: Carb rebuild kits. in reply to 6N's Short, 05-10-2005 11:08:46

Just ask him for a APN9590B gasket and seal kit and a C3NN9564A float valve and seat only about $4.00 ea.

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John TR

05-10-2005 16:21:10

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Re: Carb rebuild kits. in reply to 6N's Short, 05-10-2005 11:08:46

Isn't leaking gas a sign that the fuel isn't being shut off aka float height adjustment? I have tried and tried to set mine (2) and still have one that leaks. All the parts are new. The manual I think says .25" on top of the gasket but the float is not exacty level to the top so where you umeasure makes a lot of diff. Mine also run well and when I park them I shut off the fuel and let them idle off the rest.

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Rick H. Ga.

05-10-2005 12:52:31

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Re: Carb rebuild kits. in reply to 6N's Short, 05-10-2005 11:08:46

I rebuilt the carb (which was in bad shape) on my 53 Jubilee project tractor and it has leaked from square one. However, the tractor runs like a top and the carb doesn't leak when running. I simply keep the glass bowl fuel filter closed when not in use.

I first thought it was the new neoprene needle, so I took it back apart and put the old steel needle back in (to no avail).

No problem as long as I close off the fuel filter when not running. The tractor runs to good to keep fooling with it for now.

Rick H. Ga.

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Leemo

05-10-2005 13:05:08

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Re: Carb rebuild kits. in reply to Rick H. Ga., 05-10-2005 12:52:31

I had a carb on my old 8N that was like that. I tried 3 different needle and seat sets and it still leaked. Couldn't find any cracks or other problems and finally used the same work around as you, Rick.
Later, Lee

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6N's Short

05-10-2005 14:27:55

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Re: Carb rebuild kits. in reply to Leemo, 05-10-2005 13:05:08

Jeez guys! That would be a bit demoralizing for a newby after all this work. It wasn't meant to leak so there must be something wrong if it IS leaking. I gotta fix this thing or my carburetor curse (don't ask) lives on!

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Rick H. Ga.

05-10-2005 19:33:36

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Re: Carb rebuild kits. in reply to 6N's Short, 05-10-2005 14:27:55

I have been somewhat of a perfectionist all of my life. However, I've learned that it can be difficult to get these graceful old machines perfect. Close enough to perfect will have to do.

I guess you could buy a brand new aftermarket carb but from what I have read, the old leaking M S carb may be the better one.

Best regards,

Rick H. Ga

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6N's Short

05-11-2005 06:51:39

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Re: Carb rebuild kits. in reply to Rick H. Ga., 05-10-2005 19:33:36

I'm with you on that one. I will go with the shut-off valve if I ultimately cannot stop the leaking. I am wanting a "as close to original" tractor as I can get and won't go with a new carb unless it is a safety issue. Well...back to IH today to buy a choke spring. That would be 1.5 hour round trip. I am going to run through all my parts and make sure that I don't have something else missing. I understand over-choking can cause leakage too so it may be that the only thing I needed was this fool spring. I will keep you all updated on my progress.

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souNdguy

05-10-2005 11:38:35

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Re: Carb rebuild kits. in reply to 6N's Short, 05-10-2005 11:08:46

The basic kit will have the important stuff.. float needle and seat, and the packings, and gasket, and jets.

The major kit has things like new choke shaft and butterfly, and main and idle needles.

Floats themselves are almost always a-la-carte.

If i just neede to get a carb to stop leaking.. that otherwise ran good, I'd get the 15$ kit.. crack the carb.. replace the float needle and seat, and gasket,and that's it.. ( unless I saw an obvious problem ).

I'm rebuilding a tsx 241 with a broken idle needle and bad flaot seat.. so i HAD to get the full kit.. etc.

Soundguy

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Rob

05-10-2005 11:27:16

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Re: Carb rebuild kits. in reply to 6N's Short, 05-10-2005 11:08:46

Huh!

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6N's Short

05-10-2005 11:48:03

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Re: Carb rebuild kits. in reply to Rob, 05-10-2005 11:27:16

"Huh"? OK....obviously another term I am not familiar with. Could you elaborate just a bit?

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Rob

05-10-2005 12:00:38

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Re: Carb rebuild kits. in reply to 6N's Short, 05-10-2005 11:48:03

Nope.

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6N's Short

05-10-2005 12:13:04

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Re: Carb rebuild kits. in reply to Rob, 05-10-2005 12:00:38

OK...I guess you have your reasons. By the way, thanks for the help yesterday on my previous post.
I ended up having to take the spring and flapper off the choke as it would NOT budge thru the slot without doing so. I am a little concerned that the choke is not assembled correctly and the FO-4 doesn't show a closeup but I will cross that bridge when I get there. Wrote a thank you note yesterday but it is not on the post so I must have missed the post button. Thanks again!

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souNdguy

05-10-2005 12:32:37

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Re: Carb rebuild kits. in reply to 6N's Short, 05-10-2005 12:13:04

"HUH" as in 'what'...

What's not right ont he choke? The butterfly and spring loaded flapper should be assembled sop that when the choke is pulled full closed, that incoming air can push the trap door open.

Linkage hookup to the dash will be straight forward.. etc.

Soundguy

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Rob

05-10-2005 13:09:12

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Re: Carb rebuild kits. in reply to souNdguy, 05-10-2005 12:32:37

No, "what" would be "Huh?" I said "Huh!" :-)

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6N's Short

05-10-2005 14:24:31

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Re: Carb rebuild kits. in reply to Rob, 05-10-2005 13:09:12

HEY! That's right he DID say "Huh!" and NOT "Huh?"!!!

Now I'll be up all night wondering just what it was he really DID mean!?!??

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Rob

05-10-2005 15:34:42

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Choke plate return spring picture in reply to 6N's Short, 05-10-2005 14:24:31

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6N's Short

05-10-2005 16:10:17

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Re: Choke plate return spring picture in reply to Rob, 05-10-2005 15:34:42

Thanks Rob! That looks about right and I can see I have it put together OK. I am a little puzzled by the spring hooked over the choke arm on the outside of the carb. I don't have one of those.
Must be with the missing packing, missing washers, and the missing heaven knows what else.
Is this something I need to find? I doubt it's in the basic rebuild kit.

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Rob

05-10-2005 16:32:09

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Re: Choke plate return spring picture in reply to 6N's Short, 05-10-2005 16:10:17

The choke return spring that hooks over the arm on the outside returns the carb to "no choke" when you release the choke knob on the dash. Pull the choke knob it chokes the carb, release the knob it returns to no choke. You want it to happen that way and that spring is more than handy. I"ve wedged the arm pushed against the spring to move the plate into the full choke position. I don"t remember that spring in the kit out of TSC, in fact I remember it wasn"t in the kit.

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Dell (WA)

05-10-2005 17:01:46

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Re: Choke plate return spring picture in reply to Rob, 05-10-2005 16:32:09

Excellent picture of the M/S carb strangler plate (choke) The choke return coil hairspring is Ford p/n 9N-9539 and is listed as being available as part of the "BIG" rebuild kit. Also available seperately. The WHITE FELT packing (seal) p/n 8N-9689 goes between the coil spring and the carburator casting on the choke shaft. ..... ..Dell

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6N's Short

05-10-2005 18:29:04

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Re: Choke plate return spring picture in reply to Dell (WA), 05-10-2005 17:01:46

Thanks guys! You are right, Rob, I have the kit from TSC now and it is not in it. I'll call my NH guy tomorrow and ask about the part. See if it is in stock. I imagine my local hardware has something similar but I would be hard pressed to tell them what size I need. I sure hate to drive all that way out to the dealership again. Appreciate the parts numbers, that will be handy when I call tomorrow. If anyone has an idea for a generic from the hardware, I'd love to hear about it.

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6N's Short

05-10-2005 12:43:46

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Re: Carb rebuild kits. in reply to souNdguy, 05-10-2005 12:32:37

I understand. I had thought that someone said yesterday that the flapper would stand open when the choke was fully closed. This bothered me as I did not remember it doing that AND could not see a mechanism to accomplish that. The flapper DOES however push open as assembled if you apply a little force to it. I will try to put a picture up of how I have it assembled if I can figure out how. Looks like I may be on a wait now, though, as I am going with the basic kit for rebuild and I am not sure TSC will have it. I'll check tonight. I have finished soaking the carb for cleaning the outside and will have it in a can of carb cleaner all night to clean the last of the gook from the inside. Then I will run thru all the little holes and reassemble as soon as I get my hands on a kit. I'll have a gross of questions then, I bet. Very much appreciate all the input. Thank you!

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souNdguy

05-10-2005 12:53:22

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Re: Carb rebuild kits. in reply to 6N's Short, 05-10-2005 12:43:46

TSC has both the kits.. but not the float.

The choke flap will be easy.. just pull the external linkage to choke as you would when the carb is hooked up.. butterfly closes.. make sure the flap can swing back and open.. etc.

Soundguy

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Jeb2N

05-10-2005 12:38:47

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Re: Carb rebuild kits. in reply to souNdguy, 05-10-2005 12:32:37

A buddy of mine had his 8N carb rebuilt by a guy that "used to be on an Indy 500 pit crew". We took the carb back apart out of curiosity as it wasn't running right (turned out to be bad valves, carb was OK). However, the guy that rebuilt the carb had the choke plate in backwards, there was NO spring, and the little tabs at the top that hold the flapper onto the choke plate were bent in such that the flapper could not move and was held tight against the choke plate (because the spring wasn't there to hold it back). What I'm getting at is to check the little tabs at the top and make sure they aren't too tight. The flapper should flap around pretty good with no spring installed.

Jeb

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6N's Short

05-10-2005 14:22:35

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Re: Carb rebuild kits. in reply to Jeb2N, 05-10-2005 12:38:47

That is exactly how it was. The flapper was very floppy when the spring was pulled. So I guess I have that OK. I am heading to TSC after dinner with hopes of finding the basic kit. I'd like to get this back together as the grass needs mowing and my other (newer) Ford has a leak serious enough to keep it shedded until I can fix it. Gets much taller and I will have to use the sickle bar.

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don b

05-10-2005 11:47:38

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Re: Carb rebuild kits. in reply to Rob, 05-10-2005 11:27:16

Sounds like you need to find a more knowledgable parts guy.From your posts, it sounds like he likes your money.BEFORE YOU SPEND YOUR MONEY,ASK THIS BOARD THE QUESTIONS. don b

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Rob

05-10-2005 11:55:31

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Re: Carb rebuild kits. in reply to don b, 05-10-2005 11:47:38

Hey don b! Good advise and the archives is choked full of more good advise and experience.
Good to see you giving that advise, especially.

Have a good one, enjoy the spring.

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6N's Short

05-10-2005 11:52:17

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Re: Carb rebuild kits. in reply to don b, 05-10-2005 11:47:38

For the record....

I never do ANYTHING to my two classic tractors without getting a consensus from this board. One of the most respectable groups of people I have ever come across.

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