H carb, rebuild time...

Farmall H, HV & Super H, 300 & 350, 1939-1958

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tractorfan1
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H carb, rebuild time...

Postby tractorfan1 » Wed Apr 12, 2006 6:57 pm

The carb on my 48 H is in need of a rebuild, we have had the tractor since 1967 and it's never been off since we have owned it. I have never been inside an H carb (only Cub's :wink: ), so I need some help. How involved is it? Is it tricky to unhook the govenor linkage's? Any help is appreciated.

:roll:
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Postby Eugene » Wed Apr 12, 2006 7:17 pm

Nothing to worry about. You won't have any trouble if you have worked on a Cub's carburator. The H's carb is just as simple.

Eugene

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Postby tractorfan1 » Wed Apr 12, 2006 7:29 pm

Thank's Eugene, So what about the govenor linkage's, are they difficult to hook up? Why I ask is I have heard they are a nightmare to hook up when installing the carb. Thank's again. :wink:
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Postby Eugene » Wed Apr 12, 2006 10:31 pm

It's been a zillion years since I worked on an H carburator. I don't recall any specific problems. I'm thinking cotter keys.

Just checked the I&T manual. It doesn't mention any specific linkage problems.

Inserting the cotter keys can sometimes be a pain because they are located on the back side of the carburator. I usually unbolt the carburator, tilt it sideways then remove the cotter keys. Reverse for installation.

Eugene

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Re: H carb, rebuild time...

Postby George Willer » Thu Apr 13, 2006 8:09 am

tractorfan1 wrote:The carb on my 48 H is in need of a rebuild, we have had the tractor since 1967 and it's never been off since we have owned it. I have never been inside an H carb (only Cub's :wink: ), so I need some help. How involved is it? Is it tricky to unhook the govenor linkage's? Any help is appreciated.

:roll:
TF1


TF 1,

There's nothing to take apart, other than the screws holding the telescoping tube in place. Once you have it apart, you'll see how to get it back together and in time. I have the same job to do on my '48 H soon. Last time I ran it it was a little ragged... but the gas must be 3 or 4 years old.

You'll find it nearly as simple as the Cub carb with an adjustable main jet added.
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Postby John *.?-!.* cub owner » Thu Apr 13, 2006 9:14 am

I haven't worked on an H carb in a while, but you will find a few differences, one of whihc being it is cast iron, so rust forming in passages is a problem if it has set for a while. Of coulrse that also means you don't have to worry about warping. An uncle wanted em to check his a few years ago. it had set outisde during the winter with water in carb. float was crushed, but carb unharmed. As to the governor linkage, there is an ear that slips into a notch. no big deal to put back together.
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Postby tractorfan1 » Thu Apr 13, 2006 12:30 pm

Thank's for the responce's guy's. But what about a carb kit. You guy's don't care for TISCO kit's for cub's, but what about the H? :wink:


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Postby Eugene » Fri Apr 14, 2006 8:07 pm

This is a simple carburator and probably the only needs a good cleaning and the needle valve and seat. I would try the local auto parts store for a kit.

Eugene

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Postby WKPoor » Fri Apr 14, 2006 9:21 pm

Sometimes the only part needed for carb overhaul is the bowl gasket. The rest just may need a good cleaning.


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